Home / 20,427.72-30,626.00-10,560.70

Finding the Fourth Proportional to 20,427.72, 30,626.00 and 10,560.70

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Solution

The fourth proportional to 20,427.72, 30,626.00 and 10,560.70 is: 15,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427.72 : 30,626.00 = 10,560.70 : x
  2. Step 2: Convert to fraction form
    20,427.72/30,626.00 = 10,560.70/x
  3. Step 3: Cross multiply
    20,427.72x = 30,626.00 × 10,560.70
  4. Step 4: Simplify right side
    20,427.72x = 323,432,023.28
  5. Step 5: Solve for x
    x = 323,432,023.28/20,427.72
  6. Step 6: Final answer
    x = 15,833.00

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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.