Home / 26,213.13-36,175.55-15,035.13

Finding the Fourth Proportional to 26,213.13, 36,175.55 and 15,035.13

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Solution

The fourth proportional to 26,213.13, 36,175.55 and 15,035.13 is: 20,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.13 : 36,175.55 = 15,035.13 : x
  2. Step 2: Convert to fraction form
    26,213.13/36,175.55 = 15,035.13/x
  3. Step 3: Cross multiply
    26,213.13x = 36,175.55 × 15,035.13
  4. Step 4: Simplify right side
    26,213.13x = 543,904,021.90
  5. Step 5: Solve for x
    x = 543,904,021.90/26,213.13
  6. Step 6: Final answer
    x = 20,749.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.