Home / 21,839.28-32,760.14-6,256.50

Finding the Fourth Proportional to 21,839.28, 32,760.14 and 6,256.50

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Solution

The fourth proportional to 21,839.28, 32,760.14 and 6,256.50 is: 9,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.28 : 32,760.14 = 6,256.50 : x
  2. Step 2: Convert to fraction form
    21,839.28/32,760.14 = 6,256.50/x
  3. Step 3: Cross multiply
    21,839.28x = 32,760.14 × 6,256.50
  4. Step 4: Simplify right side
    21,839.28x = 204,963,784.63
  5. Step 5: Solve for x
    x = 204,963,784.63/21,839.28
  6. Step 6: Final answer
    x = 9,385.10

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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.