Home / 28,620.99-42,943.85-15,482.61

Finding the Fourth Proportional to 28,620.99, 42,943.85 and 15,482.61

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Solution

The fourth proportional to 28,620.99, 42,943.85 and 15,482.61 is: 23,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.99 : 42,943.85 = 15,482.61 : x
  2. Step 2: Convert to fraction form
    28,620.99/42,943.85 = 15,482.61/x
  3. Step 3: Cross multiply
    28,620.99x = 42,943.85 × 15,482.61
  4. Step 4: Simplify right side
    28,620.99x = 664,882,804.04
  5. Step 5: Solve for x
    x = 664,882,804.04/28,620.99
  6. Step 6: Final answer
    x = 23,230.60

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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.