Home / 28,208.02-42,306.56-10,679.22

Finding the Fourth Proportional to 28,208.02, 42,306.56 and 10,679.22

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Solution

The fourth proportional to 28,208.02, 42,306.56 and 10,679.22 is: 16,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.02 : 42,306.56 = 10,679.22 : x
  2. Step 2: Convert to fraction form
    28,208.02/42,306.56 = 10,679.22/x
  3. Step 3: Cross multiply
    28,208.02x = 42,306.56 × 10,679.22
  4. Step 4: Simplify right side
    28,208.02x = 451,801,061.68
  5. Step 5: Solve for x
    x = 451,801,061.68/28,208.02
  6. Step 6: Final answer
    x = 16,016.76

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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.