Home / 20,006.28-30,028.24-10,152.63

Finding the Fourth Proportional to 20,006.28, 30,028.24 and 10,152.63

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Solution

The fourth proportional to 20,006.28, 30,028.24 and 10,152.63 is: 15,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.28 : 30,028.24 = 10,152.63 : x
  2. Step 2: Convert to fraction form
    20,006.28/30,028.24 = 10,152.63/x
  3. Step 3: Cross multiply
    20,006.28x = 30,028.24 × 10,152.63
  4. Step 4: Simplify right side
    20,006.28x = 304,865,610.27
  5. Step 5: Solve for x
    x = 304,865,610.27/20,006.28
  6. Step 6: Final answer
    x = 15,238.50

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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.