Home / 21,623.90-32,439.89-6,836.54

Finding the Fourth Proportional to 21,623.90, 32,439.89 and 6,836.54

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Solution

The fourth proportional to 21,623.90, 32,439.89 and 6,836.54 is: 10,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.90 : 32,439.89 = 6,836.54 : x
  2. Step 2: Convert to fraction form
    21,623.90/32,439.89 = 6,836.54/x
  3. Step 3: Cross multiply
    21,623.90x = 32,439.89 × 6,836.54
  4. Step 4: Simplify right side
    21,623.90x = 221,776,460.47
  5. Step 5: Solve for x
    x = 221,776,460.47/21,623.90
  6. Step 6: Final answer
    x = 10,256.08

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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.