Home / 28,867.68-39,711.60-25,267.68

Finding the Fourth Proportional to 28,867.68, 39,711.60 and 25,267.68

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Solution

The fourth proportional to 28,867.68, 39,711.60 and 25,267.68 is: 34,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.68 : 39,711.60 = 25,267.68 : x
  2. Step 2: Convert to fraction form
    28,867.68/39,711.60 = 25,267.68/x
  3. Step 3: Cross multiply
    28,867.68x = 39,711.60 × 25,267.68
  4. Step 4: Simplify right side
    28,867.68x = 1,003,420,001.09
  5. Step 5: Solve for x
    x = 1,003,420,001.09/28,867.68
  6. Step 6: Final answer
    x = 34,759.29

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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.