Home / 25,478.62-38,218.38-8,839.24

Finding the Fourth Proportional to 25,478.62, 38,218.38 and 8,839.24

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Solution

The fourth proportional to 25,478.62, 38,218.38 and 8,839.24 is: 13,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.62 : 38,218.38 = 8,839.24 : x
  2. Step 2: Convert to fraction form
    25,478.62/38,218.38 = 8,839.24/x
  3. Step 3: Cross multiply
    25,478.62x = 38,218.38 × 8,839.24
  4. Step 4: Simplify right side
    25,478.62x = 337,821,433.23
  5. Step 5: Solve for x
    x = 337,821,433.23/25,478.62
  6. Step 6: Final answer
    x = 13,259.02

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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.