Home / 22,489.79-31,063.50-16,849.76

Finding the Fourth Proportional to 22,489.79, 31,063.50 and 16,849.76

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Solution

The fourth proportional to 22,489.79, 31,063.50 and 16,849.76 is: 23,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.79 : 31,063.50 = 16,849.76 : x
  2. Step 2: Convert to fraction form
    22,489.79/31,063.50 = 16,849.76/x
  3. Step 3: Cross multiply
    22,489.79x = 31,063.50 × 16,849.76
  4. Step 4: Simplify right side
    22,489.79x = 523,412,364.44
  5. Step 5: Solve for x
    x = 523,412,364.44/22,489.79
  6. Step 6: Final answer
    x = 23,273.34

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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.