Home / 25,449.90-38,143.42-18,453.93

Finding the Fourth Proportional to 25,449.90, 38,143.42 and 18,453.93

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Solution

The fourth proportional to 25,449.90, 38,143.42 and 18,453.93 is: 27,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.90 : 38,143.42 = 18,453.93 : x
  2. Step 2: Convert to fraction form
    25,449.90/38,143.42 = 18,453.93/x
  3. Step 3: Cross multiply
    25,449.90x = 38,143.42 × 18,453.93
  4. Step 4: Simplify right side
    25,449.90x = 703,896,002.64
  5. Step 5: Solve for x
    x = 703,896,002.64/25,449.90
  6. Step 6: Final answer
    x = 27,658.10

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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.