Home / 22,660.34-31,274.66-16,307.96

Finding the Fourth Proportional to 22,660.34, 31,274.66 and 16,307.96

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Solution

The fourth proportional to 22,660.34, 31,274.66 and 16,307.96 is: 22,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.34 : 31,274.66 = 16,307.96 : x
  2. Step 2: Convert to fraction form
    22,660.34/31,274.66 = 16,307.96/x
  3. Step 3: Cross multiply
    22,660.34x = 31,274.66 × 16,307.96
  4. Step 4: Simplify right side
    22,660.34x = 510,025,904.29
  5. Step 5: Solve for x
    x = 510,025,904.29/22,660.34
  6. Step 6: Final answer
    x = 22,507.43

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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.