Home / 21,831.36-32,707.92-13,267.24

Finding the Fourth Proportional to 21,831.36, 32,707.92 and 13,267.24

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Solution

The fourth proportional to 21,831.36, 32,707.92 and 13,267.24 is: 19,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.36 : 32,707.92 = 13,267.24 : x
  2. Step 2: Convert to fraction form
    21,831.36/32,707.92 = 13,267.24/x
  3. Step 3: Cross multiply
    21,831.36x = 32,707.92 × 13,267.24
  4. Step 4: Simplify right side
    21,831.36x = 433,943,824.54
  5. Step 5: Solve for x
    x = 433,943,824.54/21,831.36
  6. Step 6: Final answer
    x = 19,877.09

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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.