Home / 21,551.52-32,299.88-9,692.61

Finding the Fourth Proportional to 21,551.52, 32,299.88 and 9,692.61

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Solution

The fourth proportional to 21,551.52, 32,299.88 and 9,692.61 is: 14,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.52 : 32,299.88 = 9,692.61 : x
  2. Step 2: Convert to fraction form
    21,551.52/32,299.88 = 9,692.61/x
  3. Step 3: Cross multiply
    21,551.52x = 32,299.88 × 9,692.61
  4. Step 4: Simplify right side
    21,551.52x = 313,070,206.51
  5. Step 5: Solve for x
    x = 313,070,206.51/21,551.52
  6. Step 6: Final answer
    x = 14,526.60

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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.