Home / 26,144.36-36,081.11-15,389.79

Finding the Fourth Proportional to 26,144.36, 36,081.11 and 15,389.79

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Solution

The fourth proportional to 26,144.36, 36,081.11 and 15,389.79 is: 21,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.36 : 36,081.11 = 15,389.79 : x
  2. Step 2: Convert to fraction form
    26,144.36/36,081.11 = 15,389.79/x
  3. Step 3: Cross multiply
    26,144.36x = 36,081.11 × 15,389.79
  4. Step 4: Simplify right side
    26,144.36x = 555,280,705.87
  5. Step 5: Solve for x
    x = 555,280,705.87/26,144.36
  6. Step 6: Final answer
    x = 21,239.02

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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.