Home / 28,081.76-42,035.04-23,882.72

Finding the Fourth Proportional to 28,081.76, 42,035.04 and 23,882.72

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Solution

The fourth proportional to 28,081.76, 42,035.04 and 23,882.72 is: 35,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.76 : 42,035.04 = 23,882.72 : x
  2. Step 2: Convert to fraction form
    28,081.76/42,035.04 = 23,882.72/x
  3. Step 3: Cross multiply
    28,081.76x = 42,035.04 × 23,882.72
  4. Step 4: Simplify right side
    28,081.76x = 1,003,911,090.51
  5. Step 5: Solve for x
    x = 1,003,911,090.51/28,081.76
  6. Step 6: Final answer
    x = 35,749.58

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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.