Home / 21,567.75-32,351.64-5,985.39

Finding the Fourth Proportional to 21,567.75, 32,351.64 and 5,985.39

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Solution

The fourth proportional to 21,567.75, 32,351.64 and 5,985.39 is: 8,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.75 : 32,351.64 = 5,985.39 : x
  2. Step 2: Convert to fraction form
    21,567.75/32,351.64 = 5,985.39/x
  3. Step 3: Cross multiply
    21,567.75x = 32,351.64 × 5,985.39
  4. Step 4: Simplify right side
    21,567.75x = 193,637,182.54
  5. Step 5: Solve for x
    x = 193,637,182.54/21,567.75
  6. Step 6: Final answer
    x = 8,978.09

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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.