Home / 26,761.09-40,150.95-11,971.57

Finding the Fourth Proportional to 26,761.09, 40,150.95 and 11,971.57

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Solution

The fourth proportional to 26,761.09, 40,150.95 and 11,971.57 is: 17,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.09 : 40,150.95 = 11,971.57 : x
  2. Step 2: Convert to fraction form
    26,761.09/40,150.95 = 11,971.57/x
  3. Step 3: Cross multiply
    26,761.09x = 40,150.95 × 11,971.57
  4. Step 4: Simplify right side
    26,761.09x = 480,669,908.49
  5. Step 5: Solve for x
    x = 480,669,908.49/26,761.09
  6. Step 6: Final answer
    x = 17,961.52

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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.