Home / 26,969.67-40,462.47-13,831.20

Finding the Fourth Proportional to 26,969.67, 40,462.47 and 13,831.20

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Solution

The fourth proportional to 26,969.67, 40,462.47 and 13,831.20 is: 20,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.67 : 40,462.47 = 13,831.20 : x
  2. Step 2: Convert to fraction form
    26,969.67/40,462.47 = 13,831.20/x
  3. Step 3: Cross multiply
    26,969.67x = 40,462.47 × 13,831.20
  4. Step 4: Simplify right side
    26,969.67x = 559,644,515.06
  5. Step 5: Solve for x
    x = 559,644,515.06/26,969.67
  6. Step 6: Final answer
    x = 20,750.88

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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.