Home / 28,295.88-39,050.64-18,245.25

Finding the Fourth Proportional to 28,295.88, 39,050.64 and 18,245.25

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Solution

The fourth proportional to 28,295.88, 39,050.64 and 18,245.25 is: 25,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.88 : 39,050.64 = 18,245.25 : x
  2. Step 2: Convert to fraction form
    28,295.88/39,050.64 = 18,245.25/x
  3. Step 3: Cross multiply
    28,295.88x = 39,050.64 × 18,245.25
  4. Step 4: Simplify right side
    28,295.88x = 712,488,689.46
  5. Step 5: Solve for x
    x = 712,488,689.46/28,295.88
  6. Step 6: Final answer
    x = 25,179.94

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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.