Home / 28,630.76-39,508.43-16,531.70

Finding the Fourth Proportional to 28,630.76, 39,508.43 and 16,531.70

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Solution

The fourth proportional to 28,630.76, 39,508.43 and 16,531.70 is: 22,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.76 : 39,508.43 = 16,531.70 : x
  2. Step 2: Convert to fraction form
    28,630.76/39,508.43 = 16,531.70/x
  3. Step 3: Cross multiply
    28,630.76x = 39,508.43 × 16,531.70
  4. Step 4: Simplify right side
    28,630.76x = 653,141,232.03
  5. Step 5: Solve for x
    x = 653,141,232.03/28,630.76
  6. Step 6: Final answer
    x = 22,812.57

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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.