Home / 21,447.52-32,175.84-6,656.08

Finding the Fourth Proportional to 21,447.52, 32,175.84 and 6,656.08

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Solution

The fourth proportional to 21,447.52, 32,175.84 and 6,656.08 is: 9,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.52 : 32,175.84 = 6,656.08 : x
  2. Step 2: Convert to fraction form
    21,447.52/32,175.84 = 6,656.08/x
  3. Step 3: Cross multiply
    21,447.52x = 32,175.84 × 6,656.08
  4. Step 4: Simplify right side
    21,447.52x = 214,164,965.11
  5. Step 5: Solve for x
    x = 214,164,965.11/21,447.52
  6. Step 6: Final answer
    x = 9,985.54

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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.