Home / 25,976.16-38,896.74-21,806.28

Finding the Fourth Proportional to 25,976.16, 38,896.74 and 21,806.28

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Solution

The fourth proportional to 25,976.16, 38,896.74 and 21,806.28 is: 32,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.16 : 38,896.74 = 21,806.28 : x
  2. Step 2: Convert to fraction form
    25,976.16/38,896.74 = 21,806.28/x
  3. Step 3: Cross multiply
    25,976.16x = 38,896.74 × 21,806.28
  4. Step 4: Simplify right side
    25,976.16x = 848,193,203.53
  5. Step 5: Solve for x
    x = 848,193,203.53/25,976.16
  6. Step 6: Final answer
    x = 32,652.76

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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.