Home / 28,384.62-39,167.79-16,451.70

Finding the Fourth Proportional to 28,384.62, 39,167.79 and 16,451.70

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Solution

The fourth proportional to 28,384.62, 39,167.79 and 16,451.70 is: 22,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.62 : 39,167.79 = 16,451.70 : x
  2. Step 2: Convert to fraction form
    28,384.62/39,167.79 = 16,451.70/x
  3. Step 3: Cross multiply
    28,384.62x = 39,167.79 × 16,451.70
  4. Step 4: Simplify right side
    28,384.62x = 644,376,730.74
  5. Step 5: Solve for x
    x = 644,376,730.74/28,384.62
  6. Step 6: Final answer
    x = 22,701.62

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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.