Home / 28,308.29-42,467.54-11,659.23

Finding the Fourth Proportional to 28,308.29, 42,467.54 and 11,659.23

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Solution

The fourth proportional to 28,308.29, 42,467.54 and 11,659.23 is: 17,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.29 : 42,467.54 = 11,659.23 : x
  2. Step 2: Convert to fraction form
    28,308.29/42,467.54 = 11,659.23/x
  3. Step 3: Cross multiply
    28,308.29x = 42,467.54 × 11,659.23
  4. Step 4: Simplify right side
    28,308.29x = 495,138,758.10
  5. Step 5: Solve for x
    x = 495,138,758.10/28,308.29
  6. Step 6: Final answer
    x = 17,490.95

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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.