Home / 25,784.57-35,576.07-15,172.22

Finding the Fourth Proportional to 25,784.57, 35,576.07 and 15,172.22

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Solution

The fourth proportional to 25,784.57, 35,576.07 and 15,172.22 is: 20,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.57 : 35,576.07 = 15,172.22 : x
  2. Step 2: Convert to fraction form
    25,784.57/35,576.07 = 15,172.22/x
  3. Step 3: Cross multiply
    25,784.57x = 35,576.07 × 15,172.22
  4. Step 4: Simplify right side
    25,784.57x = 539,767,960.78
  5. Step 5: Solve for x
    x = 539,767,960.78/25,784.57
  6. Step 6: Final answer
    x = 20,933.76

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