Home / 28,902.76-43,360.18-16,428.52

Finding the Fourth Proportional to 28,902.76, 43,360.18 and 16,428.52

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Solution

The fourth proportional to 28,902.76, 43,360.18 and 16,428.52 is: 24,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.76 : 43,360.18 = 16,428.52 : x
  2. Step 2: Convert to fraction form
    28,902.76/43,360.18 = 16,428.52/x
  3. Step 3: Cross multiply
    28,902.76x = 43,360.18 × 16,428.52
  4. Step 4: Simplify right side
    28,902.76x = 712,343,584.33
  5. Step 5: Solve for x
    x = 712,343,584.33/28,902.76
  6. Step 6: Final answer
    x = 24,646.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.