Home / 25,840.37-35,665.27-15,766.65

Finding the Fourth Proportional to 25,840.37, 35,665.27 and 15,766.65

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Solution

The fourth proportional to 25,840.37, 35,665.27 and 15,766.65 is: 21,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,840.37 : 35,665.27 = 15,766.65 : x
  2. Step 2: Convert to fraction form
    25,840.37/35,665.27 = 15,766.65/x
  3. Step 3: Cross multiply
    25,840.37x = 35,665.27 × 15,766.65
  4. Step 4: Simplify right side
    25,840.37x = 562,321,789.83
  5. Step 5: Solve for x
    x = 562,321,789.83/25,840.37
  6. Step 6: Final answer
    x = 21,761.37

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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.