Home / 27,887.31-41,858.30-20,470.75

Finding the Fourth Proportional to 27,887.31, 41,858.30 and 20,470.75

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Solution

The fourth proportional to 27,887.31, 41,858.30 and 20,470.75 is: 30,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.31 : 41,858.30 = 20,470.75 : x
  2. Step 2: Convert to fraction form
    27,887.31/41,858.30 = 20,470.75/x
  3. Step 3: Cross multiply
    27,887.31x = 41,858.30 × 20,470.75
  4. Step 4: Simplify right side
    27,887.31x = 856,870,741.26
  5. Step 5: Solve for x
    x = 856,870,741.26/27,887.31
  6. Step 6: Final answer
    x = 30,726.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.