Home / 26,379.86-36,407.68-15,046.76

Finding the Fourth Proportional to 26,379.86, 36,407.68 and 15,046.76

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Solution

The fourth proportional to 26,379.86, 36,407.68 and 15,046.76 is: 20,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.86 : 36,407.68 = 15,046.76 : x
  2. Step 2: Convert to fraction form
    26,379.86/36,407.68 = 15,046.76/x
  3. Step 3: Cross multiply
    26,379.86x = 36,407.68 × 15,046.76
  4. Step 4: Simplify right side
    26,379.86x = 547,817,403.46
  5. Step 5: Solve for x
    x = 547,817,403.46/26,379.86
  6. Step 6: Final answer
    x = 20,766.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.