Home / 21,977.34-32,969.25-6,392.94

Finding the Fourth Proportional to 21,977.34, 32,969.25 and 6,392.94

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Solution

The fourth proportional to 21,977.34, 32,969.25 and 6,392.94 is: 9,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.34 : 32,969.25 = 6,392.94 : x
  2. Step 2: Convert to fraction form
    21,977.34/32,969.25 = 6,392.94/x
  3. Step 3: Cross multiply
    21,977.34x = 32,969.25 × 6,392.94
  4. Step 4: Simplify right side
    21,977.34x = 210,770,437.10
  5. Step 5: Solve for x
    x = 210,770,437.10/21,977.34
  6. Step 6: Final answer
    x = 9,590.35

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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.