Home / 23,643.81-35,361.15-21,029.66

Finding the Fourth Proportional to 23,643.81, 35,361.15 and 21,029.66

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Solution

The fourth proportional to 23,643.81, 35,361.15 and 21,029.66 is: 31,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643.81 : 35,361.15 = 21,029.66 : x
  2. Step 2: Convert to fraction form
    23,643.81/35,361.15 = 21,029.66/x
  3. Step 3: Cross multiply
    23,643.81x = 35,361.15 × 21,029.66
  4. Step 4: Simplify right side
    23,643.81x = 743,632,961.71
  5. Step 5: Solve for x
    x = 743,632,961.71/23,643.81
  6. Step 6: Final answer
    x = 31,451.49

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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.