Home / 28,384.42-42,581.79-11,735.41

Finding the Fourth Proportional to 28,384.42, 42,581.79 and 11,735.41

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Solution

The fourth proportional to 28,384.42, 42,581.79 and 11,735.41 is: 17,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.42 : 42,581.79 = 11,735.41 : x
  2. Step 2: Convert to fraction form
    28,384.42/42,581.79 = 11,735.41/x
  3. Step 3: Cross multiply
    28,384.42x = 42,581.79 × 11,735.41
  4. Step 4: Simplify right side
    28,384.42x = 499,714,764.18
  5. Step 5: Solve for x
    x = 499,714,764.18/28,384.42
  6. Step 6: Final answer
    x = 17,605.25

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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.