Home / 29,916.90-41,285.60-16,488.64

Finding the Fourth Proportional to 29,916.90, 41,285.60 and 16,488.64

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Solution

The fourth proportional to 29,916.90, 41,285.60 and 16,488.64 is: 22,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916.90 : 41,285.60 = 16,488.64 : x
  2. Step 2: Convert to fraction form
    29,916.90/41,285.60 = 16,488.64/x
  3. Step 3: Cross multiply
    29,916.90x = 41,285.60 × 16,488.64
  4. Step 4: Simplify right side
    29,916.90x = 680,743,395.58
  5. Step 5: Solve for x
    x = 680,743,395.58/29,916.90
  6. Step 6: Final answer
    x = 22,754.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.