Home / 28,265.49-42,399.50-9,543.87

Finding the Fourth Proportional to 28,265.49, 42,399.50 and 9,543.87

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Solution

The fourth proportional to 28,265.49, 42,399.50 and 9,543.87 is: 14,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.49 : 42,399.50 = 9,543.87 : x
  2. Step 2: Convert to fraction form
    28,265.49/42,399.50 = 9,543.87/x
  3. Step 3: Cross multiply
    28,265.49x = 42,399.50 × 9,543.87
  4. Step 4: Simplify right side
    28,265.49x = 404,655,268.35
  5. Step 5: Solve for x
    x = 404,655,268.35/28,265.49
  6. Step 6: Final answer
    x = 14,316.23

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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.