Home / 40,028.76-55,211.04-28,094.76

Finding the Fourth Proportional to 40,028.76, 55,211.04 and 28,094.76

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Solution

The fourth proportional to 40,028.76, 55,211.04 and 28,094.76 is: 38,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.76 : 55,211.04 = 28,094.76 : x
  2. Step 2: Convert to fraction form
    40,028.76/55,211.04 = 28,094.76/x
  3. Step 3: Cross multiply
    40,028.76x = 55,211.04 × 28,094.76
  4. Step 4: Simplify right side
    40,028.76x = 1,551,140,918.15
  5. Step 5: Solve for x
    x = 1,551,140,918.15/40,028.76
  6. Step 6: Final answer
    x = 38,750.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.