Home / 26,260.80-39,358.35-13,116.84

Finding the Fourth Proportional to 26,260.80, 39,358.35 and 13,116.84

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Solution

The fourth proportional to 26,260.80, 39,358.35 and 13,116.84 is: 19,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.80 : 39,358.35 = 13,116.84 : x
  2. Step 2: Convert to fraction form
    26,260.80/39,358.35 = 13,116.84/x
  3. Step 3: Cross multiply
    26,260.80x = 39,358.35 × 13,116.84
  4. Step 4: Simplify right side
    26,260.80x = 516,257,179.61
  5. Step 5: Solve for x
    x = 516,257,179.61/26,260.80
  6. Step 6: Final answer
    x = 19,658.85

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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.