Home / 25,948.44-38,922.66-8,420.04

Finding the Fourth Proportional to 25,948.44, 38,922.66 and 8,420.04

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Solution

The fourth proportional to 25,948.44, 38,922.66 and 8,420.04 is: 12,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.44 : 38,922.66 = 8,420.04 : x
  2. Step 2: Convert to fraction form
    25,948.44/38,922.66 = 8,420.04/x
  3. Step 3: Cross multiply
    25,948.44x = 38,922.66 × 8,420.04
  4. Step 4: Simplify right side
    25,948.44x = 327,730,354.11
  5. Step 5: Solve for x
    x = 327,730,354.11/25,948.44
  6. Step 6: Final answer
    x = 12,630.06

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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.