Home / 22,766.38-31,406.46-15,214.58

Finding the Fourth Proportional to 22,766.38, 31,406.46 and 15,214.58

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Solution

The fourth proportional to 22,766.38, 31,406.46 and 15,214.58 is: 20,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,766.38 : 31,406.46 = 15,214.58 : x
  2. Step 2: Convert to fraction form
    22,766.38/31,406.46 = 15,214.58/x
  3. Step 3: Cross multiply
    22,766.38x = 31,406.46 × 15,214.58
  4. Step 4: Simplify right side
    22,766.38x = 477,836,098.19
  5. Step 5: Solve for x
    x = 477,836,098.19/22,766.38
  6. Step 6: Final answer
    x = 20,988.67

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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.