Home / 25,220.80-37,831.20-17,347.60

Finding the Fourth Proportional to 25,220.80, 37,831.20 and 17,347.60

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Solution

The fourth proportional to 25,220.80, 37,831.20 and 17,347.60 is: 26,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.80 : 37,831.20 = 17,347.60 : x
  2. Step 2: Convert to fraction form
    25,220.80/37,831.20 = 17,347.60/x
  3. Step 3: Cross multiply
    25,220.80x = 37,831.20 × 17,347.60
  4. Step 4: Simplify right side
    25,220.80x = 656,280,525.12
  5. Step 5: Solve for x
    x = 656,280,525.12/25,220.80
  6. Step 6: Final answer
    x = 26,021.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.