Home / 28,966.25-43,352.94-21,907.37

Finding the Fourth Proportional to 28,966.25, 43,352.94 and 21,907.37

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Solution

The fourth proportional to 28,966.25, 43,352.94 and 21,907.37 is: 32,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.25 : 43,352.94 = 21,907.37 : x
  2. Step 2: Convert to fraction form
    28,966.25/43,352.94 = 21,907.37/x
  3. Step 3: Cross multiply
    28,966.25x = 43,352.94 × 21,907.37
  4. Step 4: Simplify right side
    28,966.25x = 949,748,897.17
  5. Step 5: Solve for x
    x = 949,748,897.17/28,966.25
  6. Step 6: Final answer
    x = 32,788.12

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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.