Home / 26,425.36-39,589.03-18,913.42

Finding the Fourth Proportional to 26,425.36, 39,589.03 and 18,913.42

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Solution

The fourth proportional to 26,425.36, 39,589.03 and 18,913.42 is: 28,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.36 : 39,589.03 = 18,913.42 : x
  2. Step 2: Convert to fraction form
    26,425.36/39,589.03 = 18,913.42/x
  3. Step 3: Cross multiply
    26,425.36x = 39,589.03 × 18,913.42
  4. Step 4: Simplify right side
    26,425.36x = 748,763,951.78
  5. Step 5: Solve for x
    x = 748,763,951.78/26,425.36
  6. Step 6: Final answer
    x = 28,335.05

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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.