Home / 26,255.58-39,385.82-10,456.80

Finding the Fourth Proportional to 26,255.58, 39,385.82 and 10,456.80

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Solution

The fourth proportional to 26,255.58, 39,385.82 and 10,456.80 is: 15,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.58 : 39,385.82 = 10,456.80 : x
  2. Step 2: Convert to fraction form
    26,255.58/39,385.82 = 10,456.80/x
  3. Step 3: Cross multiply
    26,255.58x = 39,385.82 × 10,456.80
  4. Step 4: Simplify right side
    26,255.58x = 411,849,642.58
  5. Step 5: Solve for x
    x = 411,849,642.58/26,255.58
  6. Step 6: Final answer
    x = 15,686.18

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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.