Home / 29,427.04-40,610.11-15,999.20

Finding the Fourth Proportional to 29,427.04, 40,610.11 and 15,999.20

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Solution

The fourth proportional to 29,427.04, 40,610.11 and 15,999.20 is: 22,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.04 : 40,610.11 = 15,999.20 : x
  2. Step 2: Convert to fraction form
    29,427.04/40,610.11 = 15,999.20/x
  3. Step 3: Cross multiply
    29,427.04x = 40,610.11 × 15,999.20
  4. Step 4: Simplify right side
    29,427.04x = 649,729,108.86
  5. Step 5: Solve for x
    x = 649,729,108.86/29,427.04
  6. Step 6: Final answer
    x = 22,079.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.