Home / 26,530.58-39,759.32-13,391.66

Finding the Fourth Proportional to 26,530.58, 39,759.32 and 13,391.66

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Solution

The fourth proportional to 26,530.58, 39,759.32 and 13,391.66 is: 20,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.58 : 39,759.32 = 13,391.66 : x
  2. Step 2: Convert to fraction form
    26,530.58/39,759.32 = 13,391.66/x
  3. Step 3: Cross multiply
    26,530.58x = 39,759.32 × 13,391.66
  4. Step 4: Simplify right side
    26,530.58x = 532,443,295.27
  5. Step 5: Solve for x
    x = 532,443,295.27/26,530.58
  6. Step 6: Final answer
    x = 20,069.04

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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.