Home / 27,478.47-41,220.72-8,754.12

Finding the Fourth Proportional to 27,478.47, 41,220.72 and 8,754.12

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Solution

The fourth proportional to 27,478.47, 41,220.72 and 8,754.12 is: 13,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.47 : 41,220.72 = 8,754.12 : x
  2. Step 2: Convert to fraction form
    27,478.47/41,220.72 = 8,754.12/x
  3. Step 3: Cross multiply
    27,478.47x = 41,220.72 × 8,754.12
  4. Step 4: Simplify right side
    27,478.47x = 360,851,129.37
  5. Step 5: Solve for x
    x = 360,851,129.37/27,478.47
  6. Step 6: Final answer
    x = 13,132.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.