Home / 21,495.04-29,663.44-16,107.90

Finding the Fourth Proportional to 21,495.04, 29,663.44 and 16,107.90

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Solution

The fourth proportional to 21,495.04, 29,663.44 and 16,107.90 is: 22,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.04 : 29,663.44 = 16,107.90 : x
  2. Step 2: Convert to fraction form
    21,495.04/29,663.44 = 16,107.90/x
  3. Step 3: Cross multiply
    21,495.04x = 29,663.44 × 16,107.90
  4. Step 4: Simplify right side
    21,495.04x = 477,815,725.18
  5. Step 5: Solve for x
    x = 477,815,725.18/21,495.04
  6. Step 6: Final answer
    x = 22,229.12

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1.5x scale

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.