Home / 28,043.04-38,699.42-16,107.15

Finding the Fourth Proportional to 28,043.04, 38,699.42 and 16,107.15

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Solution

The fourth proportional to 28,043.04, 38,699.42 and 16,107.15 is: 22,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.04 : 38,699.42 = 16,107.15 : x
  2. Step 2: Convert to fraction form
    28,043.04/38,699.42 = 16,107.15/x
  3. Step 3: Cross multiply
    28,043.04x = 38,699.42 × 16,107.15
  4. Step 4: Simplify right side
    28,043.04x = 623,337,282.32
  5. Step 5: Solve for x
    x = 623,337,282.32/28,043.04
  6. Step 6: Final answer
    x = 22,227.88

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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.