Home / 27,240.48-37,587.80-15,301.55

Finding the Fourth Proportional to 27,240.48, 37,587.80 and 15,301.55

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Solution

The fourth proportional to 27,240.48, 37,587.80 and 15,301.55 is: 21,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.48 : 37,587.80 = 15,301.55 : x
  2. Step 2: Convert to fraction form
    27,240.48/37,587.80 = 15,301.55/x
  3. Step 3: Cross multiply
    27,240.48x = 37,587.80 × 15,301.55
  4. Step 4: Simplify right side
    27,240.48x = 575,151,336.64
  5. Step 5: Solve for x
    x = 575,151,336.64/27,240.48
  6. Step 6: Final answer
    x = 21,113.85

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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.