Home / 21,956.25-32,935.80-8,806.92

Finding the Fourth Proportional to 21,956.25, 32,935.80 and 8,806.92

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Solution

The fourth proportional to 21,956.25, 32,935.80 and 8,806.92 is: 13,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.25 : 32,935.80 = 8,806.92 : x
  2. Step 2: Convert to fraction form
    21,956.25/32,935.80 = 8,806.92/x
  3. Step 3: Cross multiply
    21,956.25x = 32,935.80 × 8,806.92
  4. Step 4: Simplify right side
    21,956.25x = 290,062,955.74
  5. Step 5: Solve for x
    x = 290,062,955.74/21,956.25
  6. Step 6: Final answer
    x = 13,210.95

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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.