Home / 77,285.40-115,928.37-27,365.52

Finding the Fourth Proportional to 77,285.40, 115,928.37 and 27,365.52

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Solution

The fourth proportional to 77,285.40, 115,928.37 and 27,365.52 is: 41,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.40 : 115,928.37 = 27,365.52 : x
  2. Step 2: Convert to fraction form
    77,285.40/115,928.37 = 27,365.52/x
  3. Step 3: Cross multiply
    77,285.40x = 115,928.37 × 27,365.52
  4. Step 4: Simplify right side
    77,285.40x = 3,172,440,127.80
  5. Step 5: Solve for x
    x = 3,172,440,127.80/77,285.40
  6. Step 6: Final answer
    x = 41,048.38

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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.