Home / 28,386.08-42,584.13-11,736.79

Finding the Fourth Proportional to 28,386.08, 42,584.13 and 11,736.79

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Solution

The fourth proportional to 28,386.08, 42,584.13 and 11,736.79 is: 17,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.08 : 42,584.13 = 11,736.79 : x
  2. Step 2: Convert to fraction form
    28,386.08/42,584.13 = 11,736.79/x
  3. Step 3: Cross multiply
    28,386.08x = 42,584.13 × 11,736.79
  4. Step 4: Simplify right side
    28,386.08x = 499,800,884.68
  5. Step 5: Solve for x
    x = 499,800,884.68/28,386.08
  6. Step 6: Final answer
    x = 17,607.25

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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.