Home / 28,298.21-42,448.73-10,769.41

Finding the Fourth Proportional to 28,298.21, 42,448.73 and 10,769.41

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Solution

The fourth proportional to 28,298.21, 42,448.73 and 10,769.41 is: 16,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.21 : 42,448.73 = 10,769.41 : x
  2. Step 2: Convert to fraction form
    28,298.21/42,448.73 = 10,769.41/x
  3. Step 3: Cross multiply
    28,298.21x = 42,448.73 × 10,769.41
  4. Step 4: Simplify right side
    28,298.21x = 457,147,777.35
  5. Step 5: Solve for x
    x = 457,147,777.35/28,298.21
  6. Step 6: Final answer
    x = 16,154.65

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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.