Home / 17,075.20-25,610.64-5,389.60

Finding the Fourth Proportional to 17,075.20, 25,610.64 and 5,389.60

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Solution

The fourth proportional to 17,075.20, 25,610.64 and 5,389.60 is: 8,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.20 : 25,610.64 = 5,389.60 : x
  2. Step 2: Convert to fraction form
    17,075.20/25,610.64 = 5,389.60/x
  3. Step 3: Cross multiply
    17,075.20x = 25,610.64 × 5,389.60
  4. Step 4: Simplify right side
    17,075.20x = 138,031,105.34
  5. Step 5: Solve for x
    x = 138,031,105.34/17,075.20
  6. Step 6: Final answer
    x = 8,083.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.