Home / 27,022.11-37,287.67-15,689.39

Finding the Fourth Proportional to 27,022.11, 37,287.67 and 15,689.39

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Solution

The fourth proportional to 27,022.11, 37,287.67 and 15,689.39 is: 21,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.11 : 37,287.67 = 15,689.39 : x
  2. Step 2: Convert to fraction form
    27,022.11/37,287.67 = 15,689.39/x
  3. Step 3: Cross multiply
    27,022.11x = 37,287.67 × 15,689.39
  4. Step 4: Simplify right side
    27,022.11x = 585,020,796.82
  5. Step 5: Solve for x
    x = 585,020,796.82/27,022.11
  6. Step 6: Final answer
    x = 21,649.71

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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.