Home / 27,815.93-38,386.01-16,490.96

Finding the Fourth Proportional to 27,815.93, 38,386.01 and 16,490.96

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Solution

The fourth proportional to 27,815.93, 38,386.01 and 16,490.96 is: 22,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.93 : 38,386.01 = 16,490.96 : x
  2. Step 2: Convert to fraction form
    27,815.93/38,386.01 = 16,490.96/x
  3. Step 3: Cross multiply
    27,815.93x = 38,386.01 × 16,490.96
  4. Step 4: Simplify right side
    27,815.93x = 633,022,155.47
  5. Step 5: Solve for x
    x = 633,022,155.47/27,815.93
  6. Step 6: Final answer
    x = 22,757.54

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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.