Home / 27,589.92-38,074.96-15,653.76

Finding the Fourth Proportional to 27,589.92, 38,074.96 and 15,653.76

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Solution

The fourth proportional to 27,589.92, 38,074.96 and 15,653.76 is: 21,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.92 : 38,074.96 = 15,653.76 : x
  2. Step 2: Convert to fraction form
    27,589.92/38,074.96 = 15,653.76/x
  3. Step 3: Cross multiply
    27,589.92x = 38,074.96 × 15,653.76
  4. Step 4: Simplify right side
    27,589.92x = 596,016,285.85
  5. Step 5: Solve for x
    x = 596,016,285.85/27,589.92
  6. Step 6: Final answer
    x = 21,602.68

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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.