Home / 21,976.76-32,970.54-6,394.52

Finding the Fourth Proportional to 21,976.76, 32,970.54 and 6,394.52

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Solution

The fourth proportional to 21,976.76, 32,970.54 and 6,394.52 is: 9,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.76 : 32,970.54 = 6,394.52 : x
  2. Step 2: Convert to fraction form
    21,976.76/32,970.54 = 6,394.52/x
  3. Step 3: Cross multiply
    21,976.76x = 32,970.54 × 6,394.52
  4. Step 4: Simplify right side
    21,976.76x = 210,830,777.44
  5. Step 5: Solve for x
    x = 210,830,777.44/21,976.76
  6. Step 6: Final answer
    x = 9,593.35

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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.