Home / 26,269.47-39,404.25-8,739.45

Finding the Fourth Proportional to 26,269.47, 39,404.25 and 8,739.45

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Solution

The fourth proportional to 26,269.47, 39,404.25 and 8,739.45 is: 13,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.47 : 39,404.25 = 8,739.45 : x
  2. Step 2: Convert to fraction form
    26,269.47/39,404.25 = 8,739.45/x
  3. Step 3: Cross multiply
    26,269.47x = 39,404.25 × 8,739.45
  4. Step 4: Simplify right side
    26,269.47x = 344,371,472.66
  5. Step 5: Solve for x
    x = 344,371,472.66/26,269.47
  6. Step 6: Final answer
    x = 13,109.19

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1.5x scale

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.