Home / 28,799.39-39,748.25-22,876.27

Finding the Fourth Proportional to 28,799.39, 39,748.25 and 22,876.27

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Solution

The fourth proportional to 28,799.39, 39,748.25 and 22,876.27 is: 31,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.39 : 39,748.25 = 22,876.27 : x
  2. Step 2: Convert to fraction form
    28,799.39/39,748.25 = 22,876.27/x
  3. Step 3: Cross multiply
    28,799.39x = 39,748.25 × 22,876.27
  4. Step 4: Simplify right side
    28,799.39x = 909,291,385.90
  5. Step 5: Solve for x
    x = 909,291,385.90/28,799.39
  6. Step 6: Final answer
    x = 31,573.29

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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.