Home / 26,011.67-39,018.11-11,983.44

Finding the Fourth Proportional to 26,011.67, 39,018.11 and 11,983.44

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Solution

The fourth proportional to 26,011.67, 39,018.11 and 11,983.44 is: 17,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,011.67 : 39,018.11 = 11,983.44 : x
  2. Step 2: Convert to fraction form
    26,011.67/39,018.11 = 11,983.44/x
  3. Step 3: Cross multiply
    26,011.67x = 39,018.11 × 11,983.44
  4. Step 4: Simplify right side
    26,011.67x = 467,571,266.50
  5. Step 5: Solve for x
    x = 467,571,266.50/26,011.67
  6. Step 6: Final answer
    x = 17,975.45

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Double scale
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Similar ratio
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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.