Home / 21,446.95-32,134.85-15,175.87

Finding the Fourth Proportional to 21,446.95, 32,134.85 and 15,175.87

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Solution

The fourth proportional to 21,446.95, 32,134.85 and 15,175.87 is: 22,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.95 : 32,134.85 = 15,175.87 : x
  2. Step 2: Convert to fraction form
    21,446.95/32,134.85 = 15,175.87/x
  3. Step 3: Cross multiply
    21,446.95x = 32,134.85 × 15,175.87
  4. Step 4: Simplify right side
    21,446.95x = 487,674,306.07
  5. Step 5: Solve for x
    x = 487,674,306.07/21,446.95
  6. Step 6: Final answer
    x = 22,738.63

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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.