Home / 28,363.02-42,489.23-16,487.61

Finding the Fourth Proportional to 28,363.02, 42,489.23 and 16,487.61

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Solution

The fourth proportional to 28,363.02, 42,489.23 and 16,487.61 is: 24,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.02 : 42,489.23 = 16,487.61 : x
  2. Step 2: Convert to fraction form
    28,363.02/42,489.23 = 16,487.61/x
  3. Step 3: Cross multiply
    28,363.02x = 42,489.23 × 16,487.61
  4. Step 4: Simplify right side
    28,363.02x = 700,545,894.66
  5. Step 5: Solve for x
    x = 700,545,894.66/28,363.02
  6. Step 6: Final answer
    x = 24,699.27

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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.