Home / 26,393.06-36,401.19-20,440.82

Finding the Fourth Proportional to 26,393.06, 36,401.19 and 20,440.82

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Solution

The fourth proportional to 26,393.06, 36,401.19 and 20,440.82 is: 28,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.06 : 36,401.19 = 20,440.82 : x
  2. Step 2: Convert to fraction form
    26,393.06/36,401.19 = 20,440.82/x
  3. Step 3: Cross multiply
    26,393.06x = 36,401.19 × 20,440.82
  4. Step 4: Simplify right side
    26,393.06x = 744,070,172.58
  5. Step 5: Solve for x
    x = 744,070,172.58/26,393.06
  6. Step 6: Final answer
    x = 28,191.89

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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.