Home / 26,881.88-37,091.56-15,701.72

Finding the Fourth Proportional to 26,881.88, 37,091.56 and 15,701.72

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Solution

The fourth proportional to 26,881.88, 37,091.56 and 15,701.72 is: 21,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.88 : 37,091.56 = 15,701.72 : x
  2. Step 2: Convert to fraction form
    26,881.88/37,091.56 = 15,701.72/x
  3. Step 3: Cross multiply
    26,881.88x = 37,091.56 × 15,701.72
  4. Step 4: Simplify right side
    26,881.88x = 582,401,289.48
  5. Step 5: Solve for x
    x = 582,401,289.48/26,881.88
  6. Step 6: Final answer
    x = 21,665.20

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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.