Home / 28,151.70-42,227.55-27,714.30

Finding the Fourth Proportional to 28,151.70, 42,227.55 and 27,714.30

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Solution

The fourth proportional to 28,151.70, 42,227.55 and 27,714.30 is: 41,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151.70 : 42,227.55 = 27,714.30 : x
  2. Step 2: Convert to fraction form
    28,151.70/42,227.55 = 27,714.30/x
  3. Step 3: Cross multiply
    28,151.70x = 42,227.55 × 27,714.30
  4. Step 4: Simplify right side
    28,151.70x = 1,170,306,988.97
  5. Step 5: Solve for x
    x = 1,170,306,988.97/28,151.70
  6. Step 6: Final answer
    x = 41,571.45

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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.