Home / 28,397.68-39,188.83-16,467.95

Finding the Fourth Proportional to 28,397.68, 39,188.83 and 16,467.95

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Solution

The fourth proportional to 28,397.68, 39,188.83 and 16,467.95 is: 22,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.68 : 39,188.83 = 16,467.95 : x
  2. Step 2: Convert to fraction form
    28,397.68/39,188.83 = 16,467.95/x
  3. Step 3: Cross multiply
    28,397.68x = 39,188.83 × 16,467.95
  4. Step 4: Simplify right side
    28,397.68x = 645,359,693.00
  5. Step 5: Solve for x
    x = 645,359,693.00/28,397.68
  6. Step 6: Final answer
    x = 22,725.79

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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.