Home / 28,912.68-43,290.72-15,032.52

Finding the Fourth Proportional to 28,912.68, 43,290.72 and 15,032.52

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Solution

The fourth proportional to 28,912.68, 43,290.72 and 15,032.52 is: 22,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.68 : 43,290.72 = 15,032.52 : x
  2. Step 2: Convert to fraction form
    28,912.68/43,290.72 = 15,032.52/x
  3. Step 3: Cross multiply
    28,912.68x = 43,290.72 × 15,032.52
  4. Step 4: Simplify right side
    28,912.68x = 650,768,614.21
  5. Step 5: Solve for x
    x = 650,768,614.21/28,912.68
  6. Step 6: Final answer
    x = 22,508.07

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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.