Home / 28,742.15-43,099.34-10,021.74

Finding the Fourth Proportional to 28,742.15, 43,099.34 and 10,021.74

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Solution

The fourth proportional to 28,742.15, 43,099.34 and 10,021.74 is: 15,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.15 : 43,099.34 = 10,021.74 : x
  2. Step 2: Convert to fraction form
    28,742.15/43,099.34 = 10,021.74/x
  3. Step 3: Cross multiply
    28,742.15x = 43,099.34 × 10,021.74
  4. Step 4: Simplify right side
    28,742.15x = 431,930,329.54
  5. Step 5: Solve for x
    x = 431,930,329.54/28,742.15
  6. Step 6: Final answer
    x = 15,027.77

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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.