Home / 27,798.60-38,362.38-15,863.52

Finding the Fourth Proportional to 27,798.60, 38,362.38 and 15,863.52

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Solution

The fourth proportional to 27,798.60, 38,362.38 and 15,863.52 is: 21,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.60 : 38,362.38 = 15,863.52 : x
  2. Step 2: Convert to fraction form
    27,798.60/38,362.38 = 15,863.52/x
  3. Step 3: Cross multiply
    27,798.60x = 38,362.38 × 15,863.52
  4. Step 4: Simplify right side
    27,798.60x = 608,562,382.38
  5. Step 5: Solve for x
    x = 608,562,382.38/27,798.60
  6. Step 6: Final answer
    x = 21,891.84

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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.