Home / 21,629.55-32,444.12-6,838.47

Finding the Fourth Proportional to 21,629.55, 32,444.12 and 6,838.47

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Solution

The fourth proportional to 21,629.55, 32,444.12 and 6,838.47 is: 10,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.55 : 32,444.12 = 6,838.47 : x
  2. Step 2: Convert to fraction form
    21,629.55/32,444.12 = 6,838.47/x
  3. Step 3: Cross multiply
    21,629.55x = 32,444.12 × 6,838.47
  4. Step 4: Simplify right side
    21,629.55x = 221,868,158.39
  5. Step 5: Solve for x
    x = 221,868,158.39/21,629.55
  6. Step 6: Final answer
    x = 10,257.64

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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.