Home / 21,831.72-32,735.52-10,134.60

Finding the Fourth Proportional to 21,831.72, 32,735.52 and 10,134.60

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Solution

The fourth proportional to 21,831.72, 32,735.52 and 10,134.60 is: 15,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.72 : 32,735.52 = 10,134.60 : x
  2. Step 2: Convert to fraction form
    21,831.72/32,735.52 = 10,134.60/x
  3. Step 3: Cross multiply
    21,831.72x = 32,735.52 × 10,134.60
  4. Step 4: Simplify right side
    21,831.72x = 331,761,400.99
  5. Step 5: Solve for x
    x = 331,761,400.99/21,831.72
  6. Step 6: Final answer
    x = 15,196.30

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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.