Home / 27,732.96-38,275.79-17,665.83

Finding the Fourth Proportional to 27,732.96, 38,275.79 and 17,665.83

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Solution

The fourth proportional to 27,732.96, 38,275.79 and 17,665.83 is: 24,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.96 : 38,275.79 = 17,665.83 : x
  2. Step 2: Convert to fraction form
    27,732.96/38,275.79 = 17,665.83/x
  3. Step 3: Cross multiply
    27,732.96x = 38,275.79 × 17,665.83
  4. Step 4: Simplify right side
    27,732.96x = 676,173,510.93
  5. Step 5: Solve for x
    x = 676,173,510.93/27,732.96
  6. Step 6: Final answer
    x = 24,381.58

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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.