Home / 26,859.90-40,289.85-10,216.09

Finding the Fourth Proportional to 26,859.90, 40,289.85 and 10,216.09

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Solution

The fourth proportional to 26,859.90, 40,289.85 and 10,216.09 is: 15,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.90 : 40,289.85 = 10,216.09 : x
  2. Step 2: Convert to fraction form
    26,859.90/40,289.85 = 10,216.09/x
  3. Step 3: Cross multiply
    26,859.90x = 40,289.85 × 10,216.09
  4. Step 4: Simplify right side
    26,859.90x = 411,604,481.16
  5. Step 5: Solve for x
    x = 411,604,481.16/26,859.90
  6. Step 6: Final answer
    x = 15,324.13

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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.