Home / 27,565.02-41,340.24-11,979

Finding the Fourth Proportional to 27,565.02, 41,340.24 and 11,979

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Solution

The fourth proportional to 27,565.02, 41,340.24 and 11,979 is: 17,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.02 : 41,340.24 = 11,979 : x
  2. Step 2: Convert to fraction form
    27,565.02/41,340.24 = 11,979/x
  3. Step 3: Cross multiply
    27,565.02x = 41,340.24 × 11,979
  4. Step 4: Simplify right side
    27,565.02x = 495,214,734.96
  5. Step 5: Solve for x
    x = 495,214,734.96/27,565.02
  6. Step 6: Final answer
    x = 17,965.33

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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.