Home / 27,708.04-38,234.82-15,609.52

Finding the Fourth Proportional to 27,708.04, 38,234.82 and 15,609.52

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Solution

The fourth proportional to 27,708.04, 38,234.82 and 15,609.52 is: 21,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.04 : 38,234.82 = 15,609.52 : x
  2. Step 2: Convert to fraction form
    27,708.04/38,234.82 = 15,609.52/x
  3. Step 3: Cross multiply
    27,708.04x = 38,234.82 × 15,609.52
  4. Step 4: Simplify right side
    27,708.04x = 596,827,187.49
  5. Step 5: Solve for x
    x = 596,827,187.49/27,708.04
  6. Step 6: Final answer
    x = 21,539.86

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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.