Home / 27,935.68-38,551.90-15,360.42

Finding the Fourth Proportional to 27,935.68, 38,551.90 and 15,360.42

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Solution

The fourth proportional to 27,935.68, 38,551.90 and 15,360.42 is: 21,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.68 : 38,551.90 = 15,360.42 : x
  2. Step 2: Convert to fraction form
    27,935.68/38,551.90 = 15,360.42/x
  3. Step 3: Cross multiply
    27,935.68x = 38,551.90 × 15,360.42
  4. Step 4: Simplify right side
    27,935.68x = 592,173,375.80
  5. Step 5: Solve for x
    x = 592,173,375.80/27,935.68
  6. Step 6: Final answer
    x = 21,197.74

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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.