Home / 26,278.19-39,423.22-8,748.71

Finding the Fourth Proportional to 26,278.19, 39,423.22 and 8,748.71

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Solution

The fourth proportional to 26,278.19, 39,423.22 and 8,748.71 is: 13,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.19 : 39,423.22 = 8,748.71 : x
  2. Step 2: Convert to fraction form
    26,278.19/39,423.22 = 8,748.71/x
  3. Step 3: Cross multiply
    26,278.19x = 39,423.22 × 8,748.71
  4. Step 4: Simplify right side
    26,278.19x = 344,902,100.06
  5. Step 5: Solve for x
    x = 344,902,100.06/26,278.19
  6. Step 6: Final answer
    x = 13,125.04

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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.