Home / 27,837.52-38,418.20-15,264.72

Finding the Fourth Proportional to 27,837.52, 38,418.20 and 15,264.72

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Solution

The fourth proportional to 27,837.52, 38,418.20 and 15,264.72 is: 21,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.52 : 38,418.20 = 15,264.72 : x
  2. Step 2: Convert to fraction form
    27,837.52/38,418.20 = 15,264.72/x
  3. Step 3: Cross multiply
    27,837.52x = 38,418.20 × 15,264.72
  4. Step 4: Simplify right side
    27,837.52x = 586,443,065.90
  5. Step 5: Solve for x
    x = 586,443,065.90/27,837.52
  6. Step 6: Final answer
    x = 21,066.64

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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.