Home / 28,306.01-42,440.42-15,827.36

Finding the Fourth Proportional to 28,306.01, 42,440.42 and 15,827.36

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Solution

The fourth proportional to 28,306.01, 42,440.42 and 15,827.36 is: 23,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.01 : 42,440.42 = 15,827.36 : x
  2. Step 2: Convert to fraction form
    28,306.01/42,440.42 = 15,827.36/x
  3. Step 3: Cross multiply
    28,306.01x = 42,440.42 × 15,827.36
  4. Step 4: Simplify right side
    28,306.01x = 671,719,514.55
  5. Step 5: Solve for x
    x = 671,719,514.55/28,306.01
  6. Step 6: Final answer
    x = 23,730.64

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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.