Home / 25,701.50-35,469.39-15,628.28

Finding the Fourth Proportional to 25,701.50, 35,469.39 and 15,628.28

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Solution

The fourth proportional to 25,701.50, 35,469.39 and 15,628.28 is: 21,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.50 : 35,469.39 = 15,628.28 : x
  2. Step 2: Convert to fraction form
    25,701.50/35,469.39 = 15,628.28/x
  3. Step 3: Cross multiply
    25,701.50x = 35,469.39 × 15,628.28
  4. Step 4: Simplify right side
    25,701.50x = 554,325,439.61
  5. Step 5: Solve for x
    x = 554,325,439.61/25,701.50
  6. Step 6: Final answer
    x = 21,567.82

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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.