Home / 20,609.20-30,865.71-15,048.75

Finding the Fourth Proportional to 20,609.20, 30,865.71 and 15,048.75

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Solution

The fourth proportional to 20,609.20, 30,865.71 and 15,048.75 is: 22,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609.20 : 30,865.71 = 15,048.75 : x
  2. Step 2: Convert to fraction form
    20,609.20/30,865.71 = 15,048.75/x
  3. Step 3: Cross multiply
    20,609.20x = 30,865.71 × 15,048.75
  4. Step 4: Simplify right side
    20,609.20x = 464,490,353.36
  5. Step 5: Solve for x
    x = 464,490,353.36/20,609.20
  6. Step 6: Final answer
    x = 22,538.01

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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.