Home / 27,934.55-38,549.67-15,359.30

Finding the Fourth Proportional to 27,934.55, 38,549.67 and 15,359.30

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Solution

The fourth proportional to 27,934.55, 38,549.67 and 15,359.30 is: 21,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.55 : 38,549.67 = 15,359.30 : x
  2. Step 2: Convert to fraction form
    27,934.55/38,549.67 = 15,359.30/x
  3. Step 3: Cross multiply
    27,934.55x = 38,549.67 × 15,359.30
  4. Step 4: Simplify right side
    27,934.55x = 592,095,955.84
  5. Step 5: Solve for x
    x = 592,095,955.84/27,934.55
  6. Step 6: Final answer
    x = 21,195.83

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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.