Home / 28,586.48-42,945.60-27,405.52

Finding the Fourth Proportional to 28,586.48, 42,945.60 and 27,405.52

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Solution

The fourth proportional to 28,586.48, 42,945.60 and 27,405.52 is: 41,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.48 : 42,945.60 = 27,405.52 : x
  2. Step 2: Convert to fraction form
    28,586.48/42,945.60 = 27,405.52/x
  3. Step 3: Cross multiply
    28,586.48x = 42,945.60 × 27,405.52
  4. Step 4: Simplify right side
    28,586.48x = 1,176,946,499.71
  5. Step 5: Solve for x
    x = 1,176,946,499.71/28,586.48
  6. Step 6: Final answer
    x = 41,171.44

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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.