Home / 28,246.21-38,979.43-16,309.29

Finding the Fourth Proportional to 28,246.21, 38,979.43 and 16,309.29

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Solution

The fourth proportional to 28,246.21, 38,979.43 and 16,309.29 is: 22,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.21 : 38,979.43 = 16,309.29 : x
  2. Step 2: Convert to fraction form
    28,246.21/38,979.43 = 16,309.29/x
  3. Step 3: Cross multiply
    28,246.21x = 38,979.43 × 16,309.29
  4. Step 4: Simplify right side
    28,246.21x = 635,726,787.13
  5. Step 5: Solve for x
    x = 635,726,787.13/28,246.21
  6. Step 6: Final answer
    x = 22,506.62

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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.