Home / 23,278.80-32,114.34-15,519.42

Finding the Fourth Proportional to 23,278.80, 32,114.34 and 15,519.42

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Solution

The fourth proportional to 23,278.80, 32,114.34 and 15,519.42 is: 21,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.80 : 32,114.34 = 15,519.42 : x
  2. Step 2: Convert to fraction form
    23,278.80/32,114.34 = 15,519.42/x
  3. Step 3: Cross multiply
    23,278.80x = 32,114.34 × 15,519.42
  4. Step 4: Simplify right side
    23,278.80x = 498,395,930.48
  5. Step 5: Solve for x
    x = 498,395,930.48/23,278.80
  6. Step 6: Final answer
    x = 21,409.86

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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.