Home / 28,769.06-43,150.14-7,710.68

Finding the Fourth Proportional to 28,769.06, 43,150.14 and 7,710.68

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Solution

The fourth proportional to 28,769.06, 43,150.14 and 7,710.68 is: 11,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.06 : 43,150.14 = 7,710.68 : x
  2. Step 2: Convert to fraction form
    28,769.06/43,150.14 = 7,710.68/x
  3. Step 3: Cross multiply
    28,769.06x = 43,150.14 × 7,710.68
  4. Step 4: Simplify right side
    28,769.06x = 332,716,705.74
  5. Step 5: Solve for x
    x = 332,716,705.74/28,769.06
  6. Step 6: Final answer
    x = 11,565.09

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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.