Home / 26,759.55-40,139.73-10,127.42

Finding the Fourth Proportional to 26,759.55, 40,139.73 and 10,127.42

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Solution

The fourth proportional to 26,759.55, 40,139.73 and 10,127.42 is: 15,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.55 : 40,139.73 = 10,127.42 : x
  2. Step 2: Convert to fraction form
    26,759.55/40,139.73 = 10,127.42/x
  3. Step 3: Cross multiply
    26,759.55x = 40,139.73 × 10,127.42
  4. Step 4: Simplify right side
    26,759.55x = 406,511,703.70
  5. Step 5: Solve for x
    x = 406,511,703.70/26,759.55
  6. Step 6: Final answer
    x = 15,191.28

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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.