Home / 26,837.60-40,242.69-15,765.91

Finding the Fourth Proportional to 26,837.60, 40,242.69 and 15,765.91

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Solution

The fourth proportional to 26,837.60, 40,242.69 and 15,765.91 is: 23,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.60 : 40,242.69 = 15,765.91 : x
  2. Step 2: Convert to fraction form
    26,837.60/40,242.69 = 15,765.91/x
  3. Step 3: Cross multiply
    26,837.60x = 40,242.69 × 15,765.91
  4. Step 4: Simplify right side
    26,837.60x = 634,462,528.09
  5. Step 5: Solve for x
    x = 634,462,528.09/26,837.60
  6. Step 6: Final answer
    x = 23,640.81

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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.