Home / 15,532.80-23,299.20-9,992.40

Finding the Fourth Proportional to 15,532.80, 23,299.20 and 9,992.40

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Solution

The fourth proportional to 15,532.80, 23,299.20 and 9,992.40 is: 14,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.80 : 23,299.20 = 9,992.40 : x
  2. Step 2: Convert to fraction form
    15,532.80/23,299.20 = 9,992.40/x
  3. Step 3: Cross multiply
    15,532.80x = 23,299.20 × 9,992.40
  4. Step 4: Simplify right side
    15,532.80x = 232,814,926.08
  5. Step 5: Solve for x
    x = 232,814,926.08/15,532.80
  6. Step 6: Final answer
    x = 14,988.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.