Home / 26,279.18-39,428.94-9,650.69

Finding the Fourth Proportional to 26,279.18, 39,428.94 and 9,650.69

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Solution

The fourth proportional to 26,279.18, 39,428.94 and 9,650.69 is: 14,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.18 : 39,428.94 = 9,650.69 : x
  2. Step 2: Convert to fraction form
    26,279.18/39,428.94 = 9,650.69/x
  3. Step 3: Cross multiply
    26,279.18x = 39,428.94 × 9,650.69
  4. Step 4: Simplify right side
    26,279.18x = 380,516,463.87
  5. Step 5: Solve for x
    x = 380,516,463.87/26,279.18
  6. Step 6: Final answer
    x = 14,479.77

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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.