Home / 20,084.76-30,133.62-16,831.80

Finding the Fourth Proportional to 20,084.76, 30,133.62 and 16,831.80

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Solution

The fourth proportional to 20,084.76, 30,133.62 and 16,831.80 is: 25,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.76 : 30,133.62 = 16,831.80 : x
  2. Step 2: Convert to fraction form
    20,084.76/30,133.62 = 16,831.80/x
  3. Step 3: Cross multiply
    20,084.76x = 30,133.62 × 16,831.80
  4. Step 4: Simplify right side
    20,084.76x = 507,203,065.12
  5. Step 5: Solve for x
    x = 507,203,065.12/20,084.76
  6. Step 6: Final answer
    x = 25,253.13

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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.