Home / 28,683.24-43,023.28-8,959.52

Finding the Fourth Proportional to 28,683.24, 43,023.28 and 8,959.52

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Solution

The fourth proportional to 28,683.24, 43,023.28 and 8,959.52 is: 13,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.24 : 43,023.28 = 8,959.52 : x
  2. Step 2: Convert to fraction form
    28,683.24/43,023.28 = 8,959.52/x
  3. Step 3: Cross multiply
    28,683.24x = 43,023.28 × 8,959.52
  4. Step 4: Simplify right side
    28,683.24x = 385,467,937.63
  5. Step 5: Solve for x
    x = 385,467,937.63/28,683.24
  6. Step 6: Final answer
    x = 13,438.79

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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.