Home / 26,126.80-39,132.60-18,293.20

Finding the Fourth Proportional to 26,126.80, 39,132.60 and 18,293.20

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Solution

The fourth proportional to 26,126.80, 39,132.60 and 18,293.20 is: 27,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.80 : 39,132.60 = 18,293.20 : x
  2. Step 2: Convert to fraction form
    26,126.80/39,132.60 = 18,293.20/x
  3. Step 3: Cross multiply
    26,126.80x = 39,132.60 × 18,293.20
  4. Step 4: Simplify right side
    26,126.80x = 715,860,478.32
  5. Step 5: Solve for x
    x = 715,860,478.32/26,126.80
  6. Step 6: Final answer
    x = 27,399.47

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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.