Home / 28,908.02-43,358.52-7,846.72

Finding the Fourth Proportional to 28,908.02, 43,358.52 and 7,846.72

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Solution

The fourth proportional to 28,908.02, 43,358.52 and 7,846.72 is: 11,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.02 : 43,358.52 = 7,846.72 : x
  2. Step 2: Convert to fraction form
    28,908.02/43,358.52 = 7,846.72/x
  3. Step 3: Cross multiply
    28,908.02x = 43,358.52 × 7,846.72
  4. Step 4: Simplify right side
    28,908.02x = 340,222,166.05
  5. Step 5: Solve for x
    x = 340,222,166.05/28,908.02
  6. Step 6: Final answer
    x = 11,769.13

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1.5x scale

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.