Home / 26,498.13-39,765.82-12,458.80

Finding the Fourth Proportional to 26,498.13, 39,765.82 and 12,458.80

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Solution

The fourth proportional to 26,498.13, 39,765.82 and 12,458.80 is: 18,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.13 : 39,765.82 = 12,458.80 : x
  2. Step 2: Convert to fraction form
    26,498.13/39,765.82 = 12,458.80/x
  3. Step 3: Cross multiply
    26,498.13x = 39,765.82 × 12,458.80
  4. Step 4: Simplify right side
    26,498.13x = 495,434,398.22
  5. Step 5: Solve for x
    x = 495,434,398.22/26,498.13
  6. Step 6: Final answer
    x = 18,696.96

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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.