Home / 17,677.70-26,515.95-4,530.20

Finding the Fourth Proportional to 17,677.70, 26,515.95 and 4,530.20

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Solution

The fourth proportional to 17,677.70, 26,515.95 and 4,530.20 is: 6,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.70 : 26,515.95 = 4,530.20 : x
  2. Step 2: Convert to fraction form
    17,677.70/26,515.95 = 4,530.20/x
  3. Step 3: Cross multiply
    17,677.70x = 26,515.95 × 4,530.20
  4. Step 4: Simplify right side
    17,677.70x = 120,122,556.69
  5. Step 5: Solve for x
    x = 120,122,556.69/17,677.70
  6. Step 6: Final answer
    x = 6,795.15

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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.