Home / 21,968.00-32,938.15-18,637.41

Finding the Fourth Proportional to 21,968.00, 32,938.15 and 18,637.41

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Solution

The fourth proportional to 21,968.00, 32,938.15 and 18,637.41 is: 27,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.00 : 32,938.15 = 18,637.41 : x
  2. Step 2: Convert to fraction form
    21,968.00/32,938.15 = 18,637.41/x
  3. Step 3: Cross multiply
    21,968.00x = 32,938.15 × 18,637.41
  4. Step 4: Simplify right side
    21,968.00x = 613,881,713.00
  5. Step 5: Solve for x
    x = 613,881,713.00/21,968.00
  6. Step 6: Final answer
    x = 27,944.37

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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.