Home / 28,901.53-43,316.85-16,432

Finding the Fourth Proportional to 28,901.53, 43,316.85 and 16,432

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Solution

The fourth proportional to 28,901.53, 43,316.85 and 16,432 is: 24,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.53 : 43,316.85 = 16,432 : x
  2. Step 2: Convert to fraction form
    28,901.53/43,316.85 = 16,432/x
  3. Step 3: Cross multiply
    28,901.53x = 43,316.85 × 16,432
  4. Step 4: Simplify right side
    28,901.53x = 711,782,479.20
  5. Step 5: Solve for x
    x = 711,782,479.20/28,901.53
  6. Step 6: Final answer
    x = 24,627.85

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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.