Home / 27,057.29-37,339.25-15,121.13

Finding the Fourth Proportional to 27,057.29, 37,339.25 and 15,121.13

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Solution

The fourth proportional to 27,057.29, 37,339.25 and 15,121.13 is: 20,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.29 : 37,339.25 = 15,121.13 : x
  2. Step 2: Convert to fraction form
    27,057.29/37,339.25 = 15,121.13/x
  3. Step 3: Cross multiply
    27,057.29x = 37,339.25 × 15,121.13
  4. Step 4: Simplify right side
    27,057.29x = 564,611,653.35
  5. Step 5: Solve for x
    x = 564,611,653.35/27,057.29
  6. Step 6: Final answer
    x = 20,867.27

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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.