Home / 27,098.68-37,399-15,767.28

Finding the Fourth Proportional to 27,098.68, 37,399 and 15,767.28

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Solution

The fourth proportional to 27,098.68, 37,399 and 15,767.28 is: 21,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.68 : 37,399 = 15,767.28 : x
  2. Step 2: Convert to fraction form
    27,098.68/37,399 = 15,767.28/x
  3. Step 3: Cross multiply
    27,098.68x = 37,399 × 15,767.28
  4. Step 4: Simplify right side
    27,098.68x = 589,680,504.72
  5. Step 5: Solve for x
    x = 589,680,504.72/27,098.68
  6. Step 6: Final answer
    x = 21,760.49

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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.