Home / 27,929.16-38,542.50-15,354

Finding the Fourth Proportional to 27,929.16, 38,542.50 and 15,354

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Solution

The fourth proportional to 27,929.16, 38,542.50 and 15,354 is: 21,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.16 : 38,542.50 = 15,354 : x
  2. Step 2: Convert to fraction form
    27,929.16/38,542.50 = 15,354/x
  3. Step 3: Cross multiply
    27,929.16x = 38,542.50 × 15,354
  4. Step 4: Simplify right side
    27,929.16x = 591,781,545
  5. Step 5: Solve for x
    x = 591,781,545/27,929.16
  6. Step 6: Final answer
    x = 21,188.66

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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.