Home / 27,502.72-41,254.08-11,920

Finding the Fourth Proportional to 27,502.72, 41,254.08 and 11,920

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Solution

The fourth proportional to 27,502.72, 41,254.08 and 11,920 is: 17,880

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,502.72 : 41,254.08 = 11,920 : x
  2. Step 2: Convert to fraction form
    27,502.72/41,254.08 = 11,920/x
  3. Step 3: Cross multiply
    27,502.72x = 41,254.08 × 11,920
  4. Step 4: Simplify right side
    27,502.72x = 491,748,633.60
  5. Step 5: Solve for x
    x = 491,748,633.60/27,502.72
  6. Step 6: Final answer
    x = 17,880

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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.