Home / 25,745.52-35,529.32-20,086.68

Finding the Fourth Proportional to 25,745.52, 35,529.32 and 20,086.68

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Solution

The fourth proportional to 25,745.52, 35,529.32 and 20,086.68 is: 27,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.52 : 35,529.32 = 20,086.68 : x
  2. Step 2: Convert to fraction form
    25,745.52/35,529.32 = 20,086.68/x
  3. Step 3: Cross multiply
    25,745.52x = 35,529.32 × 20,086.68
  4. Step 4: Simplify right side
    25,745.52x = 713,666,081.46
  5. Step 5: Solve for x
    x = 713,666,081.46/25,745.52
  6. Step 6: Final answer
    x = 27,720.01

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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.