Home / 28,265.14-42,395.65-11,399.29

Finding the Fourth Proportional to 28,265.14, 42,395.65 and 11,399.29

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Solution

The fourth proportional to 28,265.14, 42,395.65 and 11,399.29 is: 17,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.14 : 42,395.65 = 11,399.29 : x
  2. Step 2: Convert to fraction form
    28,265.14/42,395.65 = 11,399.29/x
  3. Step 3: Cross multiply
    28,265.14x = 42,395.65 × 11,399.29
  4. Step 4: Simplify right side
    28,265.14x = 483,280,174.60
  5. Step 5: Solve for x
    x = 483,280,174.60/28,265.14
  6. Step 6: Final answer
    x = 17,098.10

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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.