Home / 22,640.79-31,248.03-12,572.46

Finding the Fourth Proportional to 22,640.79, 31,248.03 and 12,572.46

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Solution

The fourth proportional to 22,640.79, 31,248.03 and 12,572.46 is: 17,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.79 : 31,248.03 = 12,572.46 : x
  2. Step 2: Convert to fraction form
    22,640.79/31,248.03 = 12,572.46/x
  3. Step 3: Cross multiply
    22,640.79x = 31,248.03 × 12,572.46
  4. Step 4: Simplify right side
    22,640.79x = 392,864,607.25
  5. Step 5: Solve for x
    x = 392,864,607.25/22,640.79
  6. Step 6: Final answer
    x = 17,352.07

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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.