Home / 57,391.70-86,087.44-15,271.79

Finding the Fourth Proportional to 57,391.70, 86,087.44 and 15,271.79

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Solution

The fourth proportional to 57,391.70, 86,087.44 and 15,271.79 is: 22,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391.70 : 86,087.44 = 15,271.79 : x
  2. Step 2: Convert to fraction form
    57,391.70/86,087.44 = 15,271.79/x
  3. Step 3: Cross multiply
    57,391.70x = 86,087.44 × 15,271.79
  4. Step 4: Simplify right side
    57,391.70x = 1,314,708,836.70
  5. Step 5: Solve for x
    x = 1,314,708,836.70/57,391.70
  6. Step 6: Final answer
    x = 22,907.65

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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.