Home / 28,282.74-42,394.56-9,556.29

Finding the Fourth Proportional to 28,282.74, 42,394.56 and 9,556.29

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Solution

The fourth proportional to 28,282.74, 42,394.56 and 9,556.29 is: 14,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.74 : 42,394.56 = 9,556.29 : x
  2. Step 2: Convert to fraction form
    28,282.74/42,394.56 = 9,556.29/x
  3. Step 3: Cross multiply
    28,282.74x = 42,394.56 × 9,556.29
  4. Step 4: Simplify right side
    28,282.74x = 405,134,709.78
  5. Step 5: Solve for x
    x = 405,134,709.78/28,282.74
  6. Step 6: Final answer
    x = 14,324.45

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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.