Home / 26,330.81-39,499.92-8,555.79

Finding the Fourth Proportional to 26,330.81, 39,499.92 and 8,555.79

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Solution

The fourth proportional to 26,330.81, 39,499.92 and 8,555.79 is: 12,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.81 : 39,499.92 = 8,555.79 : x
  2. Step 2: Convert to fraction form
    26,330.81/39,499.92 = 8,555.79/x
  3. Step 3: Cross multiply
    26,330.81x = 39,499.92 × 8,555.79
  4. Step 4: Simplify right side
    26,330.81x = 337,953,168.66
  5. Step 5: Solve for x
    x = 337,953,168.66/26,330.81
  6. Step 6: Final answer
    x = 12,834.90

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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.