Home / 28,831.92-43,233.12-13,236

Finding the Fourth Proportional to 28,831.92, 43,233.12 and 13,236

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Solution

The fourth proportional to 28,831.92, 43,233.12 and 13,236 is: 19,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.92 : 43,233.12 = 13,236 : x
  2. Step 2: Convert to fraction form
    28,831.92/43,233.12 = 13,236/x
  3. Step 3: Cross multiply
    28,831.92x = 43,233.12 × 13,236
  4. Step 4: Simplify right side
    28,831.92x = 572,233,576.32
  5. Step 5: Solve for x
    x = 572,233,576.32/28,831.92
  6. Step 6: Final answer
    x = 19,847.22

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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.