Home / 22,637.60-31,239.76-12,565.76

Finding the Fourth Proportional to 22,637.60, 31,239.76 and 12,565.76

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Solution

The fourth proportional to 22,637.60, 31,239.76 and 12,565.76 is: 17,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.60 : 31,239.76 = 12,565.76 : x
  2. Step 2: Convert to fraction form
    22,637.60/31,239.76 = 12,565.76/x
  3. Step 3: Cross multiply
    22,637.60x = 31,239.76 × 12,565.76
  4. Step 4: Simplify right side
    22,637.60x = 392,551,326.62
  5. Step 5: Solve for x
    x = 392,551,326.62/22,637.60
  6. Step 6: Final answer
    x = 17,340.68

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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.