Home / 26,874.09-40,322.76-10,239.12

Finding the Fourth Proportional to 26,874.09, 40,322.76 and 10,239.12

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Solution

The fourth proportional to 26,874.09, 40,322.76 and 10,239.12 is: 15,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.09 : 40,322.76 = 10,239.12 : x
  2. Step 2: Convert to fraction form
    26,874.09/40,322.76 = 10,239.12/x
  3. Step 3: Cross multiply
    26,874.09x = 40,322.76 × 10,239.12
  4. Step 4: Simplify right side
    26,874.09x = 412,869,578.37
  5. Step 5: Solve for x
    x = 412,869,578.37/26,874.09
  6. Step 6: Final answer
    x = 15,363.11

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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.