Home / 26,018.40-38,999.61-11,234.28

Finding the Fourth Proportional to 26,018.40, 38,999.61 and 11,234.28

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Solution

The fourth proportional to 26,018.40, 38,999.61 and 11,234.28 is: 16,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.40 : 38,999.61 = 11,234.28 : x
  2. Step 2: Convert to fraction form
    26,018.40/38,999.61 = 11,234.28/x
  3. Step 3: Cross multiply
    26,018.40x = 38,999.61 × 11,234.28
  4. Step 4: Simplify right side
    26,018.40x = 438,132,538.63
  5. Step 5: Solve for x
    x = 438,132,538.63/26,018.40
  6. Step 6: Final answer
    x = 16,839.33

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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.