Home / 28,573.60-42,862.38-8,849.56

Finding the Fourth Proportional to 28,573.60, 42,862.38 and 8,849.56

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Solution

The fourth proportional to 28,573.60, 42,862.38 and 8,849.56 is: 13,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.60 : 42,862.38 = 8,849.56 : x
  2. Step 2: Convert to fraction form
    28,573.60/42,862.38 = 8,849.56/x
  3. Step 3: Cross multiply
    28,573.60x = 42,862.38 × 8,849.56
  4. Step 4: Simplify right side
    28,573.60x = 379,313,203.55
  5. Step 5: Solve for x
    x = 379,313,203.55/28,573.60
  6. Step 6: Final answer
    x = 13,274.95

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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.