Home / 28,532.40-42,775.42-11,904.83

Finding the Fourth Proportional to 28,532.40, 42,775.42 and 11,904.83

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Solution

The fourth proportional to 28,532.40, 42,775.42 and 11,904.83 is: 17,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.40 : 42,775.42 = 11,904.83 : x
  2. Step 2: Convert to fraction form
    28,532.40/42,775.42 = 11,904.83/x
  3. Step 3: Cross multiply
    28,532.40x = 42,775.42 × 11,904.83
  4. Step 4: Simplify right side
    28,532.40x = 509,234,103.28
  5. Step 5: Solve for x
    x = 509,234,103.28/28,532.40
  6. Step 6: Final answer
    x = 17,847.57

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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.