Home / 28,073.18-38,737.50-15,497.84

Finding the Fourth Proportional to 28,073.18, 38,737.50 and 15,497.84

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Solution

The fourth proportional to 28,073.18, 38,737.50 and 15,497.84 is: 21,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.18 : 38,737.50 = 15,497.84 : x
  2. Step 2: Convert to fraction form
    28,073.18/38,737.50 = 15,497.84/x
  3. Step 3: Cross multiply
    28,073.18x = 38,737.50 × 15,497.84
  4. Step 4: Simplify right side
    28,073.18x = 600,347,577
  5. Step 5: Solve for x
    x = 600,347,577/28,073.18
  6. Step 6: Final answer
    x = 21,385.09

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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.