Home / 22,905.60-31,608.24-13,472.34

Finding the Fourth Proportional to 22,905.60, 31,608.24 and 13,472.34

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Solution

The fourth proportional to 22,905.60, 31,608.24 and 13,472.34 is: 18,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.60 : 31,608.24 = 13,472.34 : x
  2. Step 2: Convert to fraction form
    22,905.60/31,608.24 = 13,472.34/x
  3. Step 3: Cross multiply
    22,905.60x = 31,608.24 × 13,472.34
  4. Step 4: Simplify right side
    22,905.60x = 425,836,956.08
  5. Step 5: Solve for x
    x = 425,836,956.08/22,905.60
  6. Step 6: Final answer
    x = 18,590.95

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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.