Home / 25,965.36-35,845.96-20,804.70

Finding the Fourth Proportional to 25,965.36, 35,845.96 and 20,804.70

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Solution

The fourth proportional to 25,965.36, 35,845.96 and 20,804.70 is: 28,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.36 : 35,845.96 = 20,804.70 : x
  2. Step 2: Convert to fraction form
    25,965.36/35,845.96 = 20,804.70/x
  3. Step 3: Cross multiply
    25,965.36x = 35,845.96 × 20,804.70
  4. Step 4: Simplify right side
    25,965.36x = 745,764,444.01
  5. Step 5: Solve for x
    x = 745,764,444.01/25,965.36
  6. Step 6: Final answer
    x = 28,721.51

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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.