Home / 35,351.78-53,028.34-28,299.04

Finding the Fourth Proportional to 35,351.78, 53,028.34 and 28,299.04

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Solution

The fourth proportional to 35,351.78, 53,028.34 and 28,299.04 is: 42,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,351.78 : 53,028.34 = 28,299.04 : x
  2. Step 2: Convert to fraction form
    35,351.78/53,028.34 = 28,299.04/x
  3. Step 3: Cross multiply
    35,351.78x = 53,028.34 × 28,299.04
  4. Step 4: Simplify right side
    35,351.78x = 1,500,650,911.48
  5. Step 5: Solve for x
    x = 1,500,650,911.48/35,351.78
  6. Step 6: Final answer
    x = 42,449.10

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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.