Home / 22,723.20-31,361.58-21,985.56

Finding the Fourth Proportional to 22,723.20, 31,361.58 and 21,985.56

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Solution

The fourth proportional to 22,723.20, 31,361.58 and 21,985.56 is: 30,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.20 : 31,361.58 = 21,985.56 : x
  2. Step 2: Convert to fraction form
    22,723.20/31,361.58 = 21,985.56/x
  3. Step 3: Cross multiply
    22,723.20x = 31,361.58 × 21,985.56
  4. Step 4: Simplify right side
    22,723.20x = 689,501,898.78
  5. Step 5: Solve for x
    x = 689,501,898.78/22,723.20
  6. Step 6: Final answer
    x = 30,343.52

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Similar ratio
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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.