Home / 27,356.60-37,752.36-15,418.88

Finding the Fourth Proportional to 27,356.60, 37,752.36 and 15,418.88

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Solution

The fourth proportional to 27,356.60, 37,752.36 and 15,418.88 is: 21,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.60 : 37,752.36 = 15,418.88 : x
  2. Step 2: Convert to fraction form
    27,356.60/37,752.36 = 15,418.88/x
  3. Step 3: Cross multiply
    27,356.60x = 37,752.36 × 15,418.88
  4. Step 4: Simplify right side
    27,356.60x = 582,099,108.56
  5. Step 5: Solve for x
    x = 582,099,108.56/27,356.60
  6. Step 6: Final answer
    x = 21,278.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.