Home / 28,737.99-43,092.41-13,142.25

Finding the Fourth Proportional to 28,737.99, 43,092.41 and 13,142.25

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Solution

The fourth proportional to 28,737.99, 43,092.41 and 13,142.25 is: 19,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.99 : 43,092.41 = 13,142.25 : x
  2. Step 2: Convert to fraction form
    28,737.99/43,092.41 = 13,142.25/x
  3. Step 3: Cross multiply
    28,737.99x = 43,092.41 × 13,142.25
  4. Step 4: Simplify right side
    28,737.99x = 566,331,159.61
  5. Step 5: Solve for x
    x = 566,331,159.61/28,737.99
  6. Step 6: Final answer
    x = 19,706.71

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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.