Home / 27,116.46-37,418.22-15,785.46

Finding the Fourth Proportional to 27,116.46, 37,418.22 and 15,785.46

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Solution

The fourth proportional to 27,116.46, 37,418.22 and 15,785.46 is: 21,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.46 : 37,418.22 = 15,785.46 : x
  2. Step 2: Convert to fraction form
    27,116.46/37,418.22 = 15,785.46/x
  3. Step 3: Cross multiply
    27,116.46x = 37,418.22 × 15,785.46
  4. Step 4: Simplify right side
    27,116.46x = 590,663,815.08
  5. Step 5: Solve for x
    x = 590,663,815.08/27,116.46
  6. Step 6: Final answer
    x = 21,782.48

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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.