Home / 28,302.28-42,466.19-11,673.79

Finding the Fourth Proportional to 28,302.28, 42,466.19 and 11,673.79

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Solution

The fourth proportional to 28,302.28, 42,466.19 and 11,673.79 is: 17,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.28 : 42,466.19 = 11,673.79 : x
  2. Step 2: Convert to fraction form
    28,302.28/42,466.19 = 11,673.79/x
  3. Step 3: Cross multiply
    28,302.28x = 42,466.19 × 11,673.79
  4. Step 4: Simplify right side
    28,302.28x = 495,741,384.16
  5. Step 5: Solve for x
    x = 495,741,384.16/28,302.28
  6. Step 6: Final answer
    x = 17,515.95

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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.