Home / 27,763.64-38,313.74-15,188.39

Finding the Fourth Proportional to 27,763.64, 38,313.74 and 15,188.39

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Solution

The fourth proportional to 27,763.64, 38,313.74 and 15,188.39 is: 20,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.64 : 38,313.74 = 15,188.39 : x
  2. Step 2: Convert to fraction form
    27,763.64/38,313.74 = 15,188.39/x
  3. Step 3: Cross multiply
    27,763.64x = 38,313.74 × 15,188.39
  4. Step 4: Simplify right side
    27,763.64x = 581,923,757.97
  5. Step 5: Solve for x
    x = 581,923,757.97/27,763.64
  6. Step 6: Final answer
    x = 20,959.93

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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.