Home / 26,764.12-40,091.62-12,681.46

Finding the Fourth Proportional to 26,764.12, 40,091.62 and 12,681.46

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Solution

The fourth proportional to 26,764.12, 40,091.62 and 12,681.46 is: 18,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,764.12 : 40,091.62 = 12,681.46 : x
  2. Step 2: Convert to fraction form
    26,764.12/40,091.62 = 12,681.46/x
  3. Step 3: Cross multiply
    26,764.12x = 40,091.62 × 12,681.46
  4. Step 4: Simplify right side
    26,764.12x = 508,420,275.37
  5. Step 5: Solve for x
    x = 508,420,275.37/26,764.12
  6. Step 6: Final answer
    x = 18,996.34

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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.