Home / 26,961.36-40,440.06-9,190.55

Finding the Fourth Proportional to 26,961.36, 40,440.06 and 9,190.55

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Solution

The fourth proportional to 26,961.36, 40,440.06 and 9,190.55 is: 13,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.36 : 40,440.06 = 9,190.55 : x
  2. Step 2: Convert to fraction form
    26,961.36/40,440.06 = 9,190.55/x
  3. Step 3: Cross multiply
    26,961.36x = 40,440.06 × 9,190.55
  4. Step 4: Simplify right side
    26,961.36x = 371,666,191.23
  5. Step 5: Solve for x
    x = 371,666,191.23/26,961.36
  6. Step 6: Final answer
    x = 13,785.14

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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.