Home / 26,760.80-40,141.60-10,128.66

Finding the Fourth Proportional to 26,760.80, 40,141.60 and 10,128.66

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Solution

The fourth proportional to 26,760.80, 40,141.60 and 10,128.66 is: 15,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.80 : 40,141.60 = 10,128.66 : x
  2. Step 2: Convert to fraction form
    26,760.80/40,141.60 = 10,128.66/x
  3. Step 3: Cross multiply
    26,760.80x = 40,141.60 × 10,128.66
  4. Step 4: Simplify right side
    26,760.80x = 406,580,618.26
  5. Step 5: Solve for x
    x = 406,580,618.26/26,760.80
  6. Step 6: Final answer
    x = 15,193.14

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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.