Home / 21,745.05-32,631.30-9,265.08

Finding the Fourth Proportional to 21,745.05, 32,631.30 and 9,265.08

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Solution

The fourth proportional to 21,745.05, 32,631.30 and 9,265.08 is: 13,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.05 : 32,631.30 = 9,265.08 : x
  2. Step 2: Convert to fraction form
    21,745.05/32,631.30 = 9,265.08/x
  3. Step 3: Cross multiply
    21,745.05x = 32,631.30 × 9,265.08
  4. Step 4: Simplify right side
    21,745.05x = 302,331,605.00
  5. Step 5: Solve for x
    x = 302,331,605.00/21,745.05
  6. Step 6: Final answer
    x = 13,903.47

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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.