Home / 25,661.54-35,301.92-20,935.46

Finding the Fourth Proportional to 25,661.54, 35,301.92 and 20,935.46

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Solution

The fourth proportional to 25,661.54, 35,301.92 and 20,935.46 is: 28,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.54 : 35,301.92 = 20,935.46 : x
  2. Step 2: Convert to fraction form
    25,661.54/35,301.92 = 20,935.46/x
  3. Step 3: Cross multiply
    25,661.54x = 35,301.92 × 20,935.46
  4. Step 4: Simplify right side
    25,661.54x = 739,061,934.08
  5. Step 5: Solve for x
    x = 739,061,934.08/25,661.54
  6. Step 6: Final answer
    x = 28,800.37

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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.