Home / 17,218.40-25,831.20-5,532.80

Finding the Fourth Proportional to 17,218.40, 25,831.20 and 5,532.80

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Solution

The fourth proportional to 17,218.40, 25,831.20 and 5,532.80 is: 8,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.40 : 25,831.20 = 5,532.80 : x
  2. Step 2: Convert to fraction form
    17,218.40/25,831.20 = 5,532.80/x
  3. Step 3: Cross multiply
    17,218.40x = 25,831.20 × 5,532.80
  4. Step 4: Simplify right side
    17,218.40x = 142,918,863.36
  5. Step 5: Solve for x
    x = 142,918,863.36/17,218.40
  6. Step 6: Final answer
    x = 8,300.36

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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.