Home / 27,564.56-38,045.84-15,634.88

Finding the Fourth Proportional to 27,564.56, 38,045.84 and 15,634.88

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Solution

The fourth proportional to 27,564.56, 38,045.84 and 15,634.88 is: 21,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.56 : 38,045.84 = 15,634.88 : x
  2. Step 2: Convert to fraction form
    27,564.56/38,045.84 = 15,634.88/x
  3. Step 3: Cross multiply
    27,564.56x = 38,045.84 × 15,634.88
  4. Step 4: Simplify right side
    27,564.56x = 594,841,874.50
  5. Step 5: Solve for x
    x = 594,841,874.50/27,564.56
  6. Step 6: Final answer
    x = 21,579.96

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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.