Home / 28,845.92-39,796.41-18,782.99

Finding the Fourth Proportional to 28,845.92, 39,796.41 and 18,782.99

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Solution

The fourth proportional to 28,845.92, 39,796.41 and 18,782.99 is: 25,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.92 : 39,796.41 = 18,782.99 : x
  2. Step 2: Convert to fraction form
    28,845.92/39,796.41 = 18,782.99/x
  3. Step 3: Cross multiply
    28,845.92x = 39,796.41 × 18,782.99
  4. Step 4: Simplify right side
    28,845.92x = 747,495,591.76
  5. Step 5: Solve for x
    x = 747,495,591.76/28,845.92
  6. Step 6: Final answer
    x = 25,913.39

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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.