Home / 25,616.20-38,424.30-15,723.40

Finding the Fourth Proportional to 25,616.20, 38,424.30 and 15,723.40

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Solution

The fourth proportional to 25,616.20, 38,424.30 and 15,723.40 is: 23,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.20 : 38,424.30 = 15,723.40 : x
  2. Step 2: Convert to fraction form
    25,616.20/38,424.30 = 15,723.40/x
  3. Step 3: Cross multiply
    25,616.20x = 38,424.30 × 15,723.40
  4. Step 4: Simplify right side
    25,616.20x = 604,160,638.62
  5. Step 5: Solve for x
    x = 604,160,638.62/25,616.20
  6. Step 6: Final answer
    x = 23,585.10

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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.