Home / 24,428.15-33,650.51-20,831.39

Finding the Fourth Proportional to 24,428.15, 33,650.51 and 20,831.39

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Solution

The fourth proportional to 24,428.15, 33,650.51 and 20,831.39 is: 28,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,428.15 : 33,650.51 = 20,831.39 : x
  2. Step 2: Convert to fraction form
    24,428.15/33,650.51 = 20,831.39/x
  3. Step 3: Cross multiply
    24,428.15x = 33,650.51 × 20,831.39
  4. Step 4: Simplify right side
    24,428.15x = 700,986,897.51
  5. Step 5: Solve for x
    x = 700,986,897.51/24,428.15
  6. Step 6: Final answer
    x = 28,695.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.