Home / 28,217.44-42,327.18-10,688.56

Finding the Fourth Proportional to 28,217.44, 42,327.18 and 10,688.56

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Solution

The fourth proportional to 28,217.44, 42,327.18 and 10,688.56 is: 16,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.44 : 42,327.18 = 10,688.56 : x
  2. Step 2: Convert to fraction form
    28,217.44/42,327.18 = 10,688.56/x
  3. Step 3: Cross multiply
    28,217.44x = 42,327.18 × 10,688.56
  4. Step 4: Simplify right side
    28,217.44x = 452,416,603.06
  5. Step 5: Solve for x
    x = 452,416,603.06/28,217.44
  6. Step 6: Final answer
    x = 16,033.23

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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.