Home / 27,215.12-40,838.44-11,418.75

Finding the Fourth Proportional to 27,215.12, 40,838.44 and 11,418.75

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Solution

The fourth proportional to 27,215.12, 40,838.44 and 11,418.75 is: 17,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.12 : 40,838.44 = 11,418.75 : x
  2. Step 2: Convert to fraction form
    27,215.12/40,838.44 = 11,418.75/x
  3. Step 3: Cross multiply
    27,215.12x = 40,838.44 × 11,418.75
  4. Step 4: Simplify right side
    27,215.12x = 466,323,929.61
  5. Step 5: Solve for x
    x = 466,323,929.61/27,215.12
  6. Step 6: Final answer
    x = 17,134.74

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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.