Home / 22,929.29-31,648.05-13,981.73

Finding the Fourth Proportional to 22,929.29, 31,648.05 and 13,981.73

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Solution

The fourth proportional to 22,929.29, 31,648.05 and 13,981.73 is: 19,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.29 : 31,648.05 = 13,981.73 : x
  2. Step 2: Convert to fraction form
    22,929.29/31,648.05 = 13,981.73/x
  3. Step 3: Cross multiply
    22,929.29x = 31,648.05 × 13,981.73
  4. Step 4: Simplify right side
    22,929.29x = 442,494,490.13
  5. Step 5: Solve for x
    x = 442,494,490.13/22,929.29
  6. Step 6: Final answer
    x = 19,298.22

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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.