Home / 38,412.81-57,579.69-27,856.47

Finding the Fourth Proportional to 38,412.81, 57,579.69 and 27,856.47

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Solution

The fourth proportional to 38,412.81, 57,579.69 and 27,856.47 is: 41,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.81 : 57,579.69 = 27,856.47 : x
  2. Step 2: Convert to fraction form
    38,412.81/57,579.69 = 27,856.47/x
  3. Step 3: Cross multiply
    38,412.81x = 57,579.69 × 27,856.47
  4. Step 4: Simplify right side
    38,412.81x = 1,603,966,907.09
  5. Step 5: Solve for x
    x = 1,603,966,907.09/38,412.81
  6. Step 6: Final answer
    x = 41,756.04

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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.