Home / 57,140.63-85,766.23-27,579.28

Finding the Fourth Proportional to 57,140.63, 85,766.23 and 27,579.28

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Solution

The fourth proportional to 57,140.63, 85,766.23 and 27,579.28 is: 41,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.63 : 85,766.23 = 27,579.28 : x
  2. Step 2: Convert to fraction form
    57,140.63/85,766.23 = 27,579.28/x
  3. Step 3: Cross multiply
    57,140.63x = 85,766.23 × 27,579.28
  4. Step 4: Simplify right side
    57,140.63x = 2,365,370,871.71
  5. Step 5: Solve for x
    x = 2,365,370,871.71/57,140.63
  6. Step 6: Final answer
    x = 41,395.60

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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.