Home / 27,520.76-37,981.00-15,586.22

Finding the Fourth Proportional to 27,520.76, 37,981.00 and 15,586.22

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Solution

The fourth proportional to 27,520.76, 37,981.00 and 15,586.22 is: 21,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.76 : 37,981.00 = 15,586.22 : x
  2. Step 2: Convert to fraction form
    27,520.76/37,981.00 = 15,586.22/x
  3. Step 3: Cross multiply
    27,520.76x = 37,981.00 × 15,586.22
  4. Step 4: Simplify right side
    27,520.76x = 591,980,336.26
  5. Step 5: Solve for x
    x = 591,980,336.26/27,520.76
  6. Step 6: Final answer
    x = 21,510.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 27,521.76, 37,982.38 and 15,587.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.