Home / 18,831.31-28,202.42-16,352.66

Finding the Fourth Proportional to 18,831.31, 28,202.42 and 16,352.66

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Solution

The fourth proportional to 18,831.31, 28,202.42 and 16,352.66 is: 24,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.31 : 28,202.42 = 16,352.66 : x
  2. Step 2: Convert to fraction form
    18,831.31/28,202.42 = 16,352.66/x
  3. Step 3: Cross multiply
    18,831.31x = 28,202.42 × 16,352.66
  4. Step 4: Simplify right side
    18,831.31x = 461,184,585.44
  5. Step 5: Solve for x
    x = 461,184,585.44/18,831.31
  6. Step 6: Final answer
    x = 24,490.31

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1.5x scale

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.