Home / 26,279.38-39,363.03-21,260.22

Finding the Fourth Proportional to 26,279.38, 39,363.03 and 21,260.22

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Solution

The fourth proportional to 26,279.38, 39,363.03 and 21,260.22 is: 31,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.38 : 39,363.03 = 21,260.22 : x
  2. Step 2: Convert to fraction form
    26,279.38/39,363.03 = 21,260.22/x
  3. Step 3: Cross multiply
    26,279.38x = 39,363.03 × 21,260.22
  4. Step 4: Simplify right side
    26,279.38x = 836,866,374.55
  5. Step 5: Solve for x
    x = 836,866,374.55/26,279.38
  6. Step 6: Final answer
    x = 31,844.98

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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.