Home / 28,529.68-42,794.63-7,753.18

Finding the Fourth Proportional to 28,529.68, 42,794.63 and 7,753.18

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Solution

The fourth proportional to 28,529.68, 42,794.63 and 7,753.18 is: 11,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.68 : 42,794.63 = 7,753.18 : x
  2. Step 2: Convert to fraction form
    28,529.68/42,794.63 = 7,753.18/x
  3. Step 3: Cross multiply
    28,529.68x = 42,794.63 × 7,753.18
  4. Step 4: Simplify right side
    28,529.68x = 331,794,469.42
  5. Step 5: Solve for x
    x = 331,794,469.42/28,529.68
  6. Step 6: Final answer
    x = 11,629.80

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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.