Home / 28,870.02-43,309.58-11,099.97

Finding the Fourth Proportional to 28,870.02, 43,309.58 and 11,099.97

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Solution

The fourth proportional to 28,870.02, 43,309.58 and 11,099.97 is: 16,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.02 : 43,309.58 = 11,099.97 : x
  2. Step 2: Convert to fraction form
    28,870.02/43,309.58 = 11,099.97/x
  3. Step 3: Cross multiply
    28,870.02x = 43,309.58 × 11,099.97
  4. Step 4: Simplify right side
    28,870.02x = 480,734,983.21
  5. Step 5: Solve for x
    x = 480,734,983.21/28,870.02
  6. Step 6: Final answer
    x = 16,651.70

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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.