Home / 15,677.52-23,519.76-5,289

Finding the Fourth Proportional to 15,677.52, 23,519.76 and 5,289

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Solution

The fourth proportional to 15,677.52, 23,519.76 and 5,289 is: 7,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.52 : 23,519.76 = 5,289 : x
  2. Step 2: Convert to fraction form
    15,677.52/23,519.76 = 5,289/x
  3. Step 3: Cross multiply
    15,677.52x = 23,519.76 × 5,289
  4. Step 4: Simplify right side
    15,677.52x = 124,396,010.64
  5. Step 5: Solve for x
    x = 124,396,010.64/15,677.52
  6. Step 6: Final answer
    x = 7,934.67

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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.