Home / 21,977.40-32,956.50-6,394.68

Finding the Fourth Proportional to 21,977.40, 32,956.50 and 6,394.68

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Solution

The fourth proportional to 21,977.40, 32,956.50 and 6,394.68 is: 9,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.40 : 32,956.50 = 6,394.68 : x
  2. Step 2: Convert to fraction form
    21,977.40/32,956.50 = 6,394.68/x
  3. Step 3: Cross multiply
    21,977.40x = 32,956.50 × 6,394.68
  4. Step 4: Simplify right side
    21,977.40x = 210,746,271.42
  5. Step 5: Solve for x
    x = 210,746,271.42/21,977.40
  6. Step 6: Final answer
    x = 9,589.23

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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.