Home / 28,335.65-42,504.17-12,537.32

Finding the Fourth Proportional to 28,335.65, 42,504.17 and 12,537.32

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Solution

The fourth proportional to 28,335.65, 42,504.17 and 12,537.32 is: 18,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.65 : 42,504.17 = 12,537.32 : x
  2. Step 2: Convert to fraction form
    28,335.65/42,504.17 = 12,537.32/x
  3. Step 3: Cross multiply
    28,335.65x = 42,504.17 × 12,537.32
  4. Step 4: Simplify right side
    28,335.65x = 532,888,105.42
  5. Step 5: Solve for x
    x = 532,888,105.42/28,335.65
  6. Step 6: Final answer
    x = 18,806.28

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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.