Home / 25,556.85-38,337.03-8,921.07

Finding the Fourth Proportional to 25,556.85, 38,337.03 and 8,921.07

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Solution

The fourth proportional to 25,556.85, 38,337.03 and 8,921.07 is: 13,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.85 : 38,337.03 = 8,921.07 : x
  2. Step 2: Convert to fraction form
    25,556.85/38,337.03 = 8,921.07/x
  3. Step 3: Cross multiply
    25,556.85x = 38,337.03 × 8,921.07
  4. Step 4: Simplify right side
    25,556.85x = 342,007,328.22
  5. Step 5: Solve for x
    x = 342,007,328.22/25,556.85
  6. Step 6: Final answer
    x = 13,382.22

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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.