Home / 27,763.26-38,313.82-15,188.28

Finding the Fourth Proportional to 27,763.26, 38,313.82 and 15,188.28

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Solution

The fourth proportional to 27,763.26, 38,313.82 and 15,188.28 is: 20,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.26 : 38,313.82 = 15,188.28 : x
  2. Step 2: Convert to fraction form
    27,763.26/38,313.82 = 15,188.28/x
  3. Step 3: Cross multiply
    27,763.26x = 38,313.82 × 15,188.28
  4. Step 4: Simplify right side
    27,763.26x = 581,921,026.03
  5. Step 5: Solve for x
    x = 581,921,026.03/27,763.26
  6. Step 6: Final answer
    x = 20,960.11

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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.