Home / 27,574.08-41,353.74-11,988

Finding the Fourth Proportional to 27,574.08, 41,353.74 and 11,988

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Solution

The fourth proportional to 27,574.08, 41,353.74 and 11,988 is: 17,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.08 : 41,353.74 = 11,988 : x
  2. Step 2: Convert to fraction form
    27,574.08/41,353.74 = 11,988/x
  3. Step 3: Cross multiply
    27,574.08x = 41,353.74 × 11,988
  4. Step 4: Simplify right side
    27,574.08x = 495,748,635.12
  5. Step 5: Solve for x
    x = 495,748,635.12/27,574.08
  6. Step 6: Final answer
    x = 17,978.79

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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.