Home / 27,927.28-38,540.34-15,352.03

Finding the Fourth Proportional to 27,927.28, 38,540.34 and 15,352.03

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Solution

The fourth proportional to 27,927.28, 38,540.34 and 15,352.03 is: 21,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.28 : 38,540.34 = 15,352.03 : x
  2. Step 2: Convert to fraction form
    27,927.28/38,540.34 = 15,352.03/x
  3. Step 3: Cross multiply
    27,927.28x = 38,540.34 × 15,352.03
  4. Step 4: Simplify right side
    27,927.28x = 591,672,455.89
  5. Step 5: Solve for x
    x = 591,672,455.89/27,927.28
  6. Step 6: Final answer
    x = 21,186.18

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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.