Home / 27,422.25-37,842.72-15,486.36

Finding the Fourth Proportional to 27,422.25, 37,842.72 and 15,486.36

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Solution

The fourth proportional to 27,422.25, 37,842.72 and 15,486.36 is: 21,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.25 : 37,842.72 = 15,486.36 : x
  2. Step 2: Convert to fraction form
    27,422.25/37,842.72 = 15,486.36/x
  3. Step 3: Cross multiply
    27,422.25x = 37,842.72 × 15,486.36
  4. Step 4: Simplify right side
    27,422.25x = 586,045,985.30
  5. Step 5: Solve for x
    x = 586,045,985.30/27,422.25
  6. Step 6: Final answer
    x = 21,371.19

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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.