Home / 21,394.08-32,095.44-7,542.72

Finding the Fourth Proportional to 21,394.08, 32,095.44 and 7,542.72

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Solution

The fourth proportional to 21,394.08, 32,095.44 and 7,542.72 is: 11,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.08 : 32,095.44 = 7,542.72 : x
  2. Step 2: Convert to fraction form
    21,394.08/32,095.44 = 7,542.72/x
  3. Step 3: Cross multiply
    21,394.08x = 32,095.44 × 7,542.72
  4. Step 4: Simplify right side
    21,394.08x = 242,086,917.20
  5. Step 5: Solve for x
    x = 242,086,917.20/21,394.08
  6. Step 6: Final answer
    x = 11,315.60

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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.