Home / 26,729.81-40,083.03-12,693.86

Finding the Fourth Proportional to 26,729.81, 40,083.03 and 12,693.86

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Solution

The fourth proportional to 26,729.81, 40,083.03 and 12,693.86 is: 19,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.81 : 40,083.03 = 12,693.86 : x
  2. Step 2: Convert to fraction form
    26,729.81/40,083.03 = 12,693.86/x
  3. Step 3: Cross multiply
    26,729.81x = 40,083.03 × 12,693.86
  4. Step 4: Simplify right side
    26,729.81x = 508,808,371.20
  5. Step 5: Solve for x
    x = 508,808,371.20/26,729.81
  6. Step 6: Final answer
    x = 19,035.24

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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.