Home / 28,084.46-38,756.61-15,337.73

Finding the Fourth Proportional to 28,084.46, 38,756.61 and 15,337.73

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Solution

The fourth proportional to 28,084.46, 38,756.61 and 15,337.73 is: 21,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.46 : 38,756.61 = 15,337.73 : x
  2. Step 2: Convert to fraction form
    28,084.46/38,756.61 = 15,337.73/x
  3. Step 3: Cross multiply
    28,084.46x = 38,756.61 × 15,337.73
  4. Step 4: Simplify right side
    28,084.46x = 594,438,516.79
  5. Step 5: Solve for x
    x = 594,438,516.79/28,084.46
  6. Step 6: Final answer
    x = 21,166.10

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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.