Home / 28,199.12-42,299.16-10,677.20

Finding the Fourth Proportional to 28,199.12, 42,299.16 and 10,677.20

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Solution

The fourth proportional to 28,199.12, 42,299.16 and 10,677.20 is: 16,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.12 : 42,299.16 = 10,677.20 : x
  2. Step 2: Convert to fraction form
    28,199.12/42,299.16 = 10,677.20/x
  3. Step 3: Cross multiply
    28,199.12x = 42,299.16 × 10,677.20
  4. Step 4: Simplify right side
    28,199.12x = 451,636,591.15
  5. Step 5: Solve for x
    x = 451,636,591.15/28,199.12
  6. Step 6: Final answer
    x = 16,015.98

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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.