Home / 28,544.08-42,828.43-11,907.39

Finding the Fourth Proportional to 28,544.08, 42,828.43 and 11,907.39

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Solution

The fourth proportional to 28,544.08, 42,828.43 and 11,907.39 is: 17,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.08 : 42,828.43 = 11,907.39 : x
  2. Step 2: Convert to fraction form
    28,544.08/42,828.43 = 11,907.39/x
  3. Step 3: Cross multiply
    28,544.08x = 42,828.43 × 11,907.39
  4. Step 4: Simplify right side
    28,544.08x = 509,974,819.10
  5. Step 5: Solve for x
    x = 509,974,819.10/28,544.08
  6. Step 6: Final answer
    x = 17,866.22

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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.