Home / 21,353.96-32,042.01-15,153.86

Finding the Fourth Proportional to 21,353.96, 32,042.01 and 15,153.86

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Solution

The fourth proportional to 21,353.96, 32,042.01 and 15,153.86 is: 22,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.96 : 32,042.01 = 15,153.86 : x
  2. Step 2: Convert to fraction form
    21,353.96/32,042.01 = 15,153.86/x
  3. Step 3: Cross multiply
    21,353.96x = 32,042.01 × 15,153.86
  4. Step 4: Simplify right side
    21,353.96x = 485,560,133.66
  5. Step 5: Solve for x
    x = 485,560,133.66/21,353.96
  6. Step 6: Final answer
    x = 22,738.65

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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.