Home / 21,232.96-31,849.51-6,442

Finding the Fourth Proportional to 21,232.96, 31,849.51 and 6,442

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Solution

The fourth proportional to 21,232.96, 31,849.51 and 6,442 is: 9,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.96 : 31,849.51 = 6,442 : x
  2. Step 2: Convert to fraction form
    21,232.96/31,849.51 = 6,442/x
  3. Step 3: Cross multiply
    21,232.96x = 31,849.51 × 6,442
  4. Step 4: Simplify right side
    21,232.96x = 205,174,543.42
  5. Step 5: Solve for x
    x = 205,174,543.42/21,232.96
  6. Step 6: Final answer
    x = 9,663.02

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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.