Home / 27,637.85-41,449.17-7,642.55

Finding the Fourth Proportional to 27,637.85, 41,449.17 and 7,642.55

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Solution

The fourth proportional to 27,637.85, 41,449.17 and 7,642.55 is: 11,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.85 : 41,449.17 = 7,642.55 : x
  2. Step 2: Convert to fraction form
    27,637.85/41,449.17 = 7,642.55/x
  3. Step 3: Cross multiply
    27,637.85x = 41,449.17 × 7,642.55
  4. Step 4: Simplify right side
    27,637.85x = 316,777,354.18
  5. Step 5: Solve for x
    x = 316,777,354.18/27,637.85
  6. Step 6: Final answer
    x = 11,461.72

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1.5x scale

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.