Home / 27,763.27-38,313.62-15,187.75

Finding the Fourth Proportional to 27,763.27, 38,313.62 and 15,187.75

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Solution

The fourth proportional to 27,763.27, 38,313.62 and 15,187.75 is: 20,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.27 : 38,313.62 = 15,187.75 : x
  2. Step 2: Convert to fraction form
    27,763.27/38,313.62 = 15,187.75/x
  3. Step 3: Cross multiply
    27,763.27x = 38,313.62 × 15,187.75
  4. Step 4: Simplify right side
    27,763.27x = 581,897,606.22
  5. Step 5: Solve for x
    x = 581,897,606.22/27,763.27
  6. Step 6: Final answer
    x = 20,959.26

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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.