Home / 21,639.36-32,464.78-6,848.52

Finding the Fourth Proportional to 21,639.36, 32,464.78 and 6,848.52

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Solution

The fourth proportional to 21,639.36, 32,464.78 and 6,848.52 is: 10,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.36 : 32,464.78 = 6,848.52 : x
  2. Step 2: Convert to fraction form
    21,639.36/32,464.78 = 6,848.52/x
  3. Step 3: Cross multiply
    21,639.36x = 32,464.78 × 6,848.52
  4. Step 4: Simplify right side
    21,639.36x = 222,335,695.13
  5. Step 5: Solve for x
    x = 222,335,695.13/21,639.36
  6. Step 6: Final answer
    x = 10,274.60

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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.