Home / 20,607.69-30,863.46-15,047.25

Finding the Fourth Proportional to 20,607.69, 30,863.46 and 15,047.25

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Solution

The fourth proportional to 20,607.69, 30,863.46 and 15,047.25 is: 22,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.69 : 30,863.46 = 15,047.25 : x
  2. Step 2: Convert to fraction form
    20,607.69/30,863.46 = 15,047.25/x
  3. Step 3: Cross multiply
    20,607.69x = 30,863.46 × 15,047.25
  4. Step 4: Simplify right side
    20,607.69x = 464,410,139.17
  5. Step 5: Solve for x
    x = 464,410,139.17/20,607.69
  6. Step 6: Final answer
    x = 22,535.76

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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.