Home / 21,242.04-31,832.76-15,651.42

Finding the Fourth Proportional to 21,242.04, 31,832.76 and 15,651.42

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Solution

The fourth proportional to 21,242.04, 31,832.76 and 15,651.42 is: 23,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242.04 : 31,832.76 = 15,651.42 : x
  2. Step 2: Convert to fraction form
    21,242.04/31,832.76 = 15,651.42/x
  3. Step 3: Cross multiply
    21,242.04x = 31,832.76 × 15,651.42
  4. Step 4: Simplify right side
    21,242.04x = 498,227,896.52
  5. Step 5: Solve for x
    x = 498,227,896.52/21,242.04
  6. Step 6: Final answer
    x = 23,454.80

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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.