Home / 26,008.76-39,018.96-8,240.48

Finding the Fourth Proportional to 26,008.76, 39,018.96 and 8,240.48

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Solution

The fourth proportional to 26,008.76, 39,018.96 and 8,240.48 is: 12,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,008.76 : 39,018.96 = 8,240.48 : x
  2. Step 2: Convert to fraction form
    26,008.76/39,018.96 = 8,240.48/x
  3. Step 3: Cross multiply
    26,008.76x = 39,018.96 × 8,240.48
  4. Step 4: Simplify right side
    26,008.76x = 321,534,959.50
  5. Step 5: Solve for x
    x = 321,534,959.50/26,008.76
  6. Step 6: Final answer
    x = 12,362.56

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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.