Home / 57,138.63-85,763.23-27,577.28

Finding the Fourth Proportional to 57,138.63, 85,763.23 and 27,577.28

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Solution

The fourth proportional to 57,138.63, 85,763.23 and 27,577.28 is: 41,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,138.63 : 85,763.23 = 27,577.28 : x
  2. Step 2: Convert to fraction form
    57,138.63/85,763.23 = 27,577.28/x
  3. Step 3: Cross multiply
    57,138.63x = 85,763.23 × 27,577.28
  4. Step 4: Simplify right side
    57,138.63x = 2,365,116,109.66
  5. Step 5: Solve for x
    x = 2,365,116,109.66/57,138.63
  6. Step 6: Final answer
    x = 41,392.59

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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.