Home / 28,873.44-39,846.12-17,391.60

Finding the Fourth Proportional to 28,873.44, 39,846.12 and 17,391.60

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Solution

The fourth proportional to 28,873.44, 39,846.12 and 17,391.60 is: 24,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.44 : 39,846.12 = 17,391.60 : x
  2. Step 2: Convert to fraction form
    28,873.44/39,846.12 = 17,391.60/x
  3. Step 3: Cross multiply
    28,873.44x = 39,846.12 × 17,391.60
  4. Step 4: Simplify right side
    28,873.44x = 692,987,780.59
  5. Step 5: Solve for x
    x = 692,987,780.59/28,873.44
  6. Step 6: Final answer
    x = 24,000.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.