Home / 28,295.51-39,050.12-18,244.87

Finding the Fourth Proportional to 28,295.51, 39,050.12 and 18,244.87

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Solution

The fourth proportional to 28,295.51, 39,050.12 and 18,244.87 is: 25,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.51 : 39,050.12 = 18,244.87 : x
  2. Step 2: Convert to fraction form
    28,295.51/39,050.12 = 18,244.87/x
  3. Step 3: Cross multiply
    28,295.51x = 39,050.12 × 18,244.87
  4. Step 4: Simplify right side
    28,295.51x = 712,464,310.87
  5. Step 5: Solve for x
    x = 712,464,310.87/28,295.51
  6. Step 6: Final answer
    x = 25,179.42

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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.