Home / 25,929.32-38,862.38-13,442.46

Finding the Fourth Proportional to 25,929.32, 38,862.38 and 13,442.46

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Solution

The fourth proportional to 25,929.32, 38,862.38 and 13,442.46 is: 20,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.32 : 38,862.38 = 13,442.46 : x
  2. Step 2: Convert to fraction form
    25,929.32/38,862.38 = 13,442.46/x
  3. Step 3: Cross multiply
    25,929.32x = 38,862.38 × 13,442.46
  4. Step 4: Simplify right side
    25,929.32x = 522,405,876.53
  5. Step 5: Solve for x
    x = 522,405,876.53/25,929.32
  6. Step 6: Final answer
    x = 20,147.31

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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.