Home / 27,730.25-38,269.12-16,406.37

Finding the Fourth Proportional to 27,730.25, 38,269.12 and 16,406.37

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Solution

The fourth proportional to 27,730.25, 38,269.12 and 16,406.37 is: 22,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.25 : 38,269.12 = 16,406.37 : x
  2. Step 2: Convert to fraction form
    27,730.25/38,269.12 = 16,406.37/x
  3. Step 3: Cross multiply
    27,730.25x = 38,269.12 × 16,406.37
  4. Step 4: Simplify right side
    27,730.25x = 627,857,342.29
  5. Step 5: Solve for x
    x = 627,857,342.29/27,730.25
  6. Step 6: Final answer
    x = 22,641.60

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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.