Home / 28,363.38-42,494.31-15,868.86

Finding the Fourth Proportional to 28,363.38, 42,494.31 and 15,868.86

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Solution

The fourth proportional to 28,363.38, 42,494.31 and 15,868.86 is: 23,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.38 : 42,494.31 = 15,868.86 : x
  2. Step 2: Convert to fraction form
    28,363.38/42,494.31 = 15,868.86/x
  3. Step 3: Cross multiply
    28,363.38x = 42,494.31 × 15,868.86
  4. Step 4: Simplify right side
    28,363.38x = 674,336,256.19
  5. Step 5: Solve for x
    x = 674,336,256.19/28,363.38
  6. Step 6: Final answer
    x = 23,774.89

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1.5x scale

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.