Home / 25,513.10-38,269.73-7,743.90

Finding the Fourth Proportional to 25,513.10, 38,269.73 and 7,743.90

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Solution

The fourth proportional to 25,513.10, 38,269.73 and 7,743.90 is: 11,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.10 : 38,269.73 = 7,743.90 : x
  2. Step 2: Convert to fraction form
    25,513.10/38,269.73 = 7,743.90/x
  3. Step 3: Cross multiply
    25,513.10x = 38,269.73 × 7,743.90
  4. Step 4: Simplify right side
    25,513.10x = 296,356,962.15
  5. Step 5: Solve for x
    x = 296,356,962.15/25,513.10
  6. Step 6: Final answer
    x = 11,615.87

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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.