Home / 26,418.12-39,591.53-13,279.92

Finding the Fourth Proportional to 26,418.12, 39,591.53 and 13,279.92

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Solution

The fourth proportional to 26,418.12, 39,591.53 and 13,279.92 is: 19,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.12 : 39,591.53 = 13,279.92 : x
  2. Step 2: Convert to fraction form
    26,418.12/39,591.53 = 13,279.92/x
  3. Step 3: Cross multiply
    26,418.12x = 39,591.53 × 13,279.92
  4. Step 4: Simplify right side
    26,418.12x = 525,772,284.68
  5. Step 5: Solve for x
    x = 525,772,284.68/26,418.12
  6. Step 6: Final answer
    x = 19,901.96

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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.