Home / 26,211.66-39,330.18-13,065.90

Finding the Fourth Proportional to 26,211.66, 39,330.18 and 13,065.90

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Solution

The fourth proportional to 26,211.66, 39,330.18 and 13,065.90 is: 19,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.66 : 39,330.18 = 13,065.90 : x
  2. Step 2: Convert to fraction form
    26,211.66/39,330.18 = 13,065.90/x
  3. Step 3: Cross multiply
    26,211.66x = 39,330.18 × 13,065.90
  4. Step 4: Simplify right side
    26,211.66x = 513,884,198.86
  5. Step 5: Solve for x
    x = 513,884,198.86/26,211.66
  6. Step 6: Final answer
    x = 19,605.18

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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.