Home / 22,521.39-31,079.50-13,569.27

Finding the Fourth Proportional to 22,521.39, 31,079.50 and 13,569.27

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Solution

The fourth proportional to 22,521.39, 31,079.50 and 13,569.27 is: 18,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.39 : 31,079.50 = 13,569.27 : x
  2. Step 2: Convert to fraction form
    22,521.39/31,079.50 = 13,569.27/x
  3. Step 3: Cross multiply
    22,521.39x = 31,079.50 × 13,569.27
  4. Step 4: Simplify right side
    22,521.39x = 421,726,126.97
  5. Step 5: Solve for x
    x = 421,726,126.97/22,521.39
  6. Step 6: Final answer
    x = 18,725.58

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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.