Home / 27,724.14-38,271.90-17,666.38

Finding the Fourth Proportional to 27,724.14, 38,271.90 and 17,666.38

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Solution

The fourth proportional to 27,724.14, 38,271.90 and 17,666.38 is: 24,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.14 : 38,271.90 = 17,666.38 : x
  2. Step 2: Convert to fraction form
    27,724.14/38,271.90 = 17,666.38/x
  3. Step 3: Cross multiply
    27,724.14x = 38,271.90 × 17,666.38
  4. Step 4: Simplify right side
    27,724.14x = 676,125,928.72
  5. Step 5: Solve for x
    x = 676,125,928.72/27,724.14
  6. Step 6: Final answer
    x = 24,387.62

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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.