Home / 25,422.72-38,134.31-10,438.08

Finding the Fourth Proportional to 25,422.72, 38,134.31 and 10,438.08

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Solution

The fourth proportional to 25,422.72, 38,134.31 and 10,438.08 is: 15,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.72 : 38,134.31 = 10,438.08 : x
  2. Step 2: Convert to fraction form
    25,422.72/38,134.31 = 10,438.08/x
  3. Step 3: Cross multiply
    25,422.72x = 38,134.31 × 10,438.08
  4. Step 4: Simplify right side
    25,422.72x = 398,048,926.33
  5. Step 5: Solve for x
    x = 398,048,926.33/25,422.72
  6. Step 6: Final answer
    x = 15,657.21

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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.