Home / 25,442.76-38,138.06-10,660.26

Finding the Fourth Proportional to 25,442.76, 38,138.06 and 10,660.26

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Solution

The fourth proportional to 25,442.76, 38,138.06 and 10,660.26 is: 15,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.76 : 38,138.06 = 10,660.26 : x
  2. Step 2: Convert to fraction form
    25,442.76/38,138.06 = 10,660.26/x
  3. Step 3: Cross multiply
    25,442.76x = 38,138.06 × 10,660.26
  4. Step 4: Simplify right side
    25,442.76x = 406,561,635.50
  5. Step 5: Solve for x
    x = 406,561,635.50/25,442.76
  6. Step 6: Final answer
    x = 15,979.46

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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.