Home / 38,181.25-57,272.96-10,479.25

Finding the Fourth Proportional to 38,181.25, 57,272.96 and 10,479.25

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Solution

The fourth proportional to 38,181.25, 57,272.96 and 10,479.25 is: 15,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.25 : 57,272.96 = 10,479.25 : x
  2. Step 2: Convert to fraction form
    38,181.25/57,272.96 = 10,479.25/x
  3. Step 3: Cross multiply
    38,181.25x = 57,272.96 × 10,479.25
  4. Step 4: Simplify right side
    38,181.25x = 600,177,666.08
  5. Step 5: Solve for x
    x = 600,177,666.08/38,181.25
  6. Step 6: Final answer
    x = 15,719.17

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1.5x scale

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.