Home / 25,857.55-35,687.26-15,791.83

Finding the Fourth Proportional to 25,857.55, 35,687.26 and 15,791.83

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Solution

The fourth proportional to 25,857.55, 35,687.26 and 15,791.83 is: 21,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.55 : 35,687.26 = 15,791.83 : x
  2. Step 2: Convert to fraction form
    25,857.55/35,687.26 = 15,791.83/x
  3. Step 3: Cross multiply
    25,857.55x = 35,687.26 × 15,791.83
  4. Step 4: Simplify right side
    25,857.55x = 563,566,964.65
  5. Step 5: Solve for x
    x = 563,566,964.65/25,857.55
  6. Step 6: Final answer
    x = 21,795.07

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1.5x scale

Why These Related Problems?

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