Home / 21,831.96-32,720.54-9,337.29

Finding the Fourth Proportional to 21,831.96, 32,720.54 and 9,337.29

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Solution

The fourth proportional to 21,831.96, 32,720.54 and 9,337.29 is: 13,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.96 : 32,720.54 = 9,337.29 : x
  2. Step 2: Convert to fraction form
    21,831.96/32,720.54 = 9,337.29/x
  3. Step 3: Cross multiply
    21,831.96x = 32,720.54 × 9,337.29
  4. Step 4: Simplify right side
    21,831.96x = 305,521,124.25
  5. Step 5: Solve for x
    x = 305,521,124.25/21,831.96
  6. Step 6: Final answer
    x = 13,994.21

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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.