Home / 28,011.83-42,016.91-11,371.46

Finding the Fourth Proportional to 28,011.83, 42,016.91 and 11,371.46

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Solution

The fourth proportional to 28,011.83, 42,016.91 and 11,371.46 is: 17,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.83 : 42,016.91 = 11,371.46 : x
  2. Step 2: Convert to fraction form
    28,011.83/42,016.91 = 11,371.46/x
  3. Step 3: Cross multiply
    28,011.83x = 42,016.91 × 11,371.46
  4. Step 4: Simplify right side
    28,011.83x = 477,793,659.57
  5. Step 5: Solve for x
    x = 477,793,659.57/28,011.83
  6. Step 6: Final answer
    x = 17,056.85

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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.