Home / 28,721.58-43,082.39-9,001.66

Finding the Fourth Proportional to 28,721.58, 43,082.39 and 9,001.66

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Solution

The fourth proportional to 28,721.58, 43,082.39 and 9,001.66 is: 13,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,721.58 : 43,082.39 = 9,001.66 : x
  2. Step 2: Convert to fraction form
    28,721.58/43,082.39 = 9,001.66/x
  3. Step 3: Cross multiply
    28,721.58x = 43,082.39 × 9,001.66
  4. Step 4: Simplify right side
    28,721.58x = 387,813,026.77
  5. Step 5: Solve for x
    x = 387,813,026.77/28,721.58
  6. Step 6: Final answer
    x = 13,502.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.