Home / 29,133.92-40,357.07-28,543.43

Finding the Fourth Proportional to 29,133.92, 40,357.07 and 28,543.43

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Solution

The fourth proportional to 29,133.92, 40,357.07 and 28,543.43 is: 39,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.92 : 40,357.07 = 28,543.43 : x
  2. Step 2: Convert to fraction form
    29,133.92/40,357.07 = 28,543.43/x
  3. Step 3: Cross multiply
    29,133.92x = 40,357.07 × 28,543.43
  4. Step 4: Simplify right side
    29,133.92x = 1,151,929,000.76
  5. Step 5: Solve for x
    x = 1,151,929,000.76/29,133.92
  6. Step 6: Final answer
    x = 39,539.11

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.