Home / 28,394.57-42,618.24-14,364.52

Finding the Fourth Proportional to 28,394.57, 42,618.24 and 14,364.52

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Solution

The fourth proportional to 28,394.57, 42,618.24 and 14,364.52 is: 21,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.57 : 42,618.24 = 14,364.52 : x
  2. Step 2: Convert to fraction form
    28,394.57/42,618.24 = 14,364.52/x
  3. Step 3: Cross multiply
    28,394.57x = 42,618.24 × 14,364.52
  4. Step 4: Simplify right side
    28,394.57x = 612,190,454.30
  5. Step 5: Solve for x
    x = 612,190,454.30/28,394.57
  6. Step 6: Final answer
    x = 21,560.12

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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.