Home / 26,001.55-39,007.17-10,420.39

Finding the Fourth Proportional to 26,001.55, 39,007.17 and 10,420.39

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Solution

The fourth proportional to 26,001.55, 39,007.17 and 10,420.39 is: 15,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.55 : 39,007.17 = 10,420.39 : x
  2. Step 2: Convert to fraction form
    26,001.55/39,007.17 = 10,420.39/x
  3. Step 3: Cross multiply
    26,001.55x = 39,007.17 × 10,420.39
  4. Step 4: Simplify right side
    26,001.55x = 406,469,924.20
  5. Step 5: Solve for x
    x = 406,469,924.20/26,001.55
  6. Step 6: Final answer
    x = 15,632.53

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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.