Home / 41,398.28-57,196.54-28,878.92

Finding the Fourth Proportional to 41,398.28, 57,196.54 and 28,878.92

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Solution

The fourth proportional to 41,398.28, 57,196.54 and 28,878.92 is: 39,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,398.28 : 57,196.54 = 28,878.92 : x
  2. Step 2: Convert to fraction form
    41,398.28/57,196.54 = 28,878.92/x
  3. Step 3: Cross multiply
    41,398.28x = 57,196.54 × 28,878.92
  4. Step 4: Simplify right side
    41,398.28x = 1,651,774,302.94
  5. Step 5: Solve for x
    x = 1,651,774,302.94/41,398.28
  6. Step 6: Final answer
    x = 39,899.59

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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.