Home / 20,021.76-30,024.28-7,535.32

Finding the Fourth Proportional to 20,021.76, 30,024.28 and 7,535.32

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Solution

The fourth proportional to 20,021.76, 30,024.28 and 7,535.32 is: 11,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.76 : 30,024.28 = 7,535.32 : x
  2. Step 2: Convert to fraction form
    20,021.76/30,024.28 = 7,535.32/x
  3. Step 3: Cross multiply
    20,021.76x = 30,024.28 × 7,535.32
  4. Step 4: Simplify right side
    20,021.76x = 226,242,557.57
  5. Step 5: Solve for x
    x = 226,242,557.57/20,021.76
  6. Step 6: Final answer
    x = 11,299.83

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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.