Home / 27,887.28-38,487.11-15,948.28

Finding the Fourth Proportional to 27,887.28, 38,487.11 and 15,948.28

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Solution

The fourth proportional to 27,887.28, 38,487.11 and 15,948.28 is: 22,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.28 : 38,487.11 = 15,948.28 : x
  2. Step 2: Convert to fraction form
    27,887.28/38,487.11 = 15,948.28/x
  3. Step 3: Cross multiply
    27,887.28x = 38,487.11 × 15,948.28
  4. Step 4: Simplify right side
    27,887.28x = 613,803,206.67
  5. Step 5: Solve for x
    x = 613,803,206.67/27,887.28
  6. Step 6: Final answer
    x = 22,010.15

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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.