Home / 28,729.62-43,089.56-7,948.26

Finding the Fourth Proportional to 28,729.62, 43,089.56 and 7,948.26

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Solution

The fourth proportional to 28,729.62, 43,089.56 and 7,948.26 is: 11,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.62 : 43,089.56 = 7,948.26 : x
  2. Step 2: Convert to fraction form
    28,729.62/43,089.56 = 7,948.26/x
  3. Step 3: Cross multiply
    28,729.62x = 43,089.56 × 7,948.26
  4. Step 4: Simplify right side
    28,729.62x = 342,487,026.17
  5. Step 5: Solve for x
    x = 342,487,026.17/28,729.62
  6. Step 6: Final answer
    x = 11,921.04

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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.