Home / 27,219.38-37,559.70-15,281.06

Finding the Fourth Proportional to 27,219.38, 37,559.70 and 15,281.06

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Solution

The fourth proportional to 27,219.38, 37,559.70 and 15,281.06 is: 21,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.38 : 37,559.70 = 15,281.06 : x
  2. Step 2: Convert to fraction form
    27,219.38/37,559.70 = 15,281.06/x
  3. Step 3: Cross multiply
    27,219.38x = 37,559.70 × 15,281.06
  4. Step 4: Simplify right side
    27,219.38x = 573,951,841.48
  5. Step 5: Solve for x
    x = 573,951,841.48/27,219.38
  6. Step 6: Final answer
    x = 21,086.15

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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.