Home / 28,250.78-38,993.64-17,634.02

Finding the Fourth Proportional to 28,250.78, 38,993.64 and 17,634.02

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Solution

The fourth proportional to 28,250.78, 38,993.64 and 17,634.02 is: 24,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.78 : 38,993.64 = 17,634.02 : x
  2. Step 2: Convert to fraction form
    28,250.78/38,993.64 = 17,634.02/x
  3. Step 3: Cross multiply
    28,250.78x = 38,993.64 × 17,634.02
  4. Step 4: Simplify right side
    28,250.78x = 687,614,627.63
  5. Step 5: Solve for x
    x = 687,614,627.63/28,250.78
  6. Step 6: Final answer
    x = 24,339.67

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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.