Home / 28,795.02-43,198.38-12,155.10

Finding the Fourth Proportional to 28,795.02, 43,198.38 and 12,155.10

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Solution

The fourth proportional to 28,795.02, 43,198.38 and 12,155.10 is: 18,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.02 : 43,198.38 = 12,155.10 : x
  2. Step 2: Convert to fraction form
    28,795.02/43,198.38 = 12,155.10/x
  3. Step 3: Cross multiply
    28,795.02x = 43,198.38 × 12,155.10
  4. Step 4: Simplify right side
    28,795.02x = 525,080,628.74
  5. Step 5: Solve for x
    x = 525,080,628.74/28,795.02
  6. Step 6: Final answer
    x = 18,235.12

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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.