Home / 28,194-42,306.54-15,721.02

Finding the Fourth Proportional to 28,194, 42,306.54 and 15,721.02

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Solution

The fourth proportional to 28,194, 42,306.54 and 15,721.02 is: 23,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194 : 42,306.54 = 15,721.02 : x
  2. Step 2: Convert to fraction form
    28,194/42,306.54 = 15,721.02/x
  3. Step 3: Cross multiply
    28,194x = 42,306.54 × 15,721.02
  4. Step 4: Simplify right side
    28,194x = 665,101,961.47
  5. Step 5: Solve for x
    x = 665,101,961.47/28,194
  6. Step 6: Final answer
    x = 23,590.20

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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.