Home / 28,958.02-43,387.41-15,819.58

Finding the Fourth Proportional to 28,958.02, 43,387.41 and 15,819.58

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Solution

The fourth proportional to 28,958.02, 43,387.41 and 15,819.58 is: 23,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.02 : 43,387.41 = 15,819.58 : x
  2. Step 2: Convert to fraction form
    28,958.02/43,387.41 = 15,819.58/x
  3. Step 3: Cross multiply
    28,958.02x = 43,387.41 × 15,819.58
  4. Step 4: Simplify right side
    28,958.02x = 686,370,603.49
  5. Step 5: Solve for x
    x = 686,370,603.49/28,958.02
  6. Step 6: Final answer
    x = 23,702.26

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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.