Home / 28,386.24-42,544.32-11,736

Finding the Fourth Proportional to 28,386.24, 42,544.32 and 11,736

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Solution

The fourth proportional to 28,386.24, 42,544.32 and 11,736 is: 17,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.24 : 42,544.32 = 11,736 : x
  2. Step 2: Convert to fraction form
    28,386.24/42,544.32 = 11,736/x
  3. Step 3: Cross multiply
    28,386.24x = 42,544.32 × 11,736
  4. Step 4: Simplify right side
    28,386.24x = 499,300,139.52
  5. Step 5: Solve for x
    x = 499,300,139.52/28,386.24
  6. Step 6: Final answer
    x = 17,589.51

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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.