Home / 26,592.78-39,889.20-9,954.56

Finding the Fourth Proportional to 26,592.78, 39,889.20 and 9,954.56

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Solution

The fourth proportional to 26,592.78, 39,889.20 and 9,954.56 is: 14,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,592.78 : 39,889.20 = 9,954.56 : x
  2. Step 2: Convert to fraction form
    26,592.78/39,889.20 = 9,954.56/x
  3. Step 3: Cross multiply
    26,592.78x = 39,889.20 × 9,954.56
  4. Step 4: Simplify right side
    26,592.78x = 397,079,434.75
  5. Step 5: Solve for x
    x = 397,079,434.75/26,592.78
  6. Step 6: Final answer
    x = 14,931.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.