Home / 25,445.22-38,165.91-12,957.42

Finding the Fourth Proportional to 25,445.22, 38,165.91 and 12,957.42

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Solution

The fourth proportional to 25,445.22, 38,165.91 and 12,957.42 is: 19,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.22 : 38,165.91 = 12,957.42 : x
  2. Step 2: Convert to fraction form
    25,445.22/38,165.91 = 12,957.42/x
  3. Step 3: Cross multiply
    25,445.22x = 38,165.91 × 12,957.42
  4. Step 4: Simplify right side
    25,445.22x = 494,531,725.55
  5. Step 5: Solve for x
    x = 494,531,725.55/25,445.22
  6. Step 6: Final answer
    x = 19,435.15

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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.