Home / 26,326.85-39,480.15-20,715.56

Finding the Fourth Proportional to 26,326.85, 39,480.15 and 20,715.56

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Solution

The fourth proportional to 26,326.85, 39,480.15 and 20,715.56 is: 31,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.85 : 39,480.15 = 20,715.56 : x
  2. Step 2: Convert to fraction form
    26,326.85/39,480.15 = 20,715.56/x
  3. Step 3: Cross multiply
    26,326.85x = 39,480.15 × 20,715.56
  4. Step 4: Simplify right side
    26,326.85x = 817,853,354.33
  5. Step 5: Solve for x
    x = 817,853,354.33/26,326.85
  6. Step 6: Final answer
    x = 31,065.37

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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.