Home / 25,354.46-38,046.12-12,875.20

Finding the Fourth Proportional to 25,354.46, 38,046.12 and 12,875.20

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Solution

The fourth proportional to 25,354.46, 38,046.12 and 12,875.20 is: 19,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,354.46 : 38,046.12 = 12,875.20 : x
  2. Step 2: Convert to fraction form
    25,354.46/38,046.12 = 12,875.20/x
  3. Step 3: Cross multiply
    25,354.46x = 38,046.12 × 12,875.20
  4. Step 4: Simplify right side
    25,354.46x = 489,851,309.11
  5. Step 5: Solve for x
    x = 489,851,309.11/25,354.46
  6. Step 6: Final answer
    x = 19,320.12

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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.