Home / 57,515.00-86,286.31-18,072.07

Finding the Fourth Proportional to 57,515.00, 86,286.31 and 18,072.07

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Solution

The fourth proportional to 57,515.00, 86,286.31 and 18,072.07 is: 27,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.00 : 86,286.31 = 18,072.07 : x
  2. Step 2: Convert to fraction form
    57,515.00/86,286.31 = 18,072.07/x
  3. Step 3: Cross multiply
    57,515.00x = 86,286.31 × 18,072.07
  4. Step 4: Simplify right side
    57,515.00x = 1,559,371,973.47
  5. Step 5: Solve for x
    x = 1,559,371,973.47/57,515.00
  6. Step 6: Final answer
    x = 27,112.44

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1.5x scale

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.