Home / 26,239.90-39,359.52-7,520.34

Finding the Fourth Proportional to 26,239.90, 39,359.52 and 7,520.34

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Solution

The fourth proportional to 26,239.90, 39,359.52 and 7,520.34 is: 11,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.90 : 39,359.52 = 7,520.34 : x
  2. Step 2: Convert to fraction form
    26,239.90/39,359.52 = 7,520.34/x
  3. Step 3: Cross multiply
    26,239.90x = 39,359.52 × 7,520.34
  4. Step 4: Simplify right side
    26,239.90x = 295,996,972.64
  5. Step 5: Solve for x
    x = 295,996,972.64/26,239.90
  6. Step 6: Final answer
    x = 11,280.42

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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.