Home / 28,056.20-42,084.36-11,404.48

Finding the Fourth Proportional to 28,056.20, 42,084.36 and 11,404.48

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Solution

The fourth proportional to 28,056.20, 42,084.36 and 11,404.48 is: 17,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.20 : 42,084.36 = 11,404.48 : x
  2. Step 2: Convert to fraction form
    28,056.20/42,084.36 = 11,404.48/x
  3. Step 3: Cross multiply
    28,056.20x = 42,084.36 × 11,404.48
  4. Step 4: Simplify right side
    28,056.20x = 479,950,241.93
  5. Step 5: Solve for x
    x = 479,950,241.93/28,056.20
  6. Step 6: Final answer
    x = 17,106.74

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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.