Home / 25,891.08-38,836.56-10,305

Finding the Fourth Proportional to 25,891.08, 38,836.56 and 10,305

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Solution

The fourth proportional to 25,891.08, 38,836.56 and 10,305 is: 15,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.08 : 38,836.56 = 10,305 : x
  2. Step 2: Convert to fraction form
    25,891.08/38,836.56 = 10,305/x
  3. Step 3: Cross multiply
    25,891.08x = 38,836.56 × 10,305
  4. Step 4: Simplify right side
    25,891.08x = 400,210,750.80
  5. Step 5: Solve for x
    x = 400,210,750.80/25,891.08
  6. Step 6: Final answer
    x = 15,457.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.