Home / 28,529.07-42,793.57-10,986.59

Finding the Fourth Proportional to 28,529.07, 42,793.57 and 10,986.59

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Solution

The fourth proportional to 28,529.07, 42,793.57 and 10,986.59 is: 16,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.07 : 42,793.57 = 10,986.59 : x
  2. Step 2: Convert to fraction form
    28,529.07/42,793.57 = 10,986.59/x
  3. Step 3: Cross multiply
    28,529.07x = 42,793.57 × 10,986.59
  4. Step 4: Simplify right side
    28,529.07x = 470,155,467.14
  5. Step 5: Solve for x
    x = 470,155,467.14/28,529.07
  6. Step 6: Final answer
    x = 16,479.88

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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.