Home / 38,273.40-52,787.34-28,196.28

Finding the Fourth Proportional to 38,273.40, 52,787.34 and 28,196.28

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Solution

The fourth proportional to 38,273.40, 52,787.34 and 28,196.28 is: 38,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.40 : 52,787.34 = 28,196.28 : x
  2. Step 2: Convert to fraction form
    38,273.40/52,787.34 = 28,196.28/x
  3. Step 3: Cross multiply
    38,273.40x = 52,787.34 × 28,196.28
  4. Step 4: Simplify right side
    38,273.40x = 1,488,406,619.10
  5. Step 5: Solve for x
    x = 1,488,406,619.10/38,273.40
  6. Step 6: Final answer
    x = 38,888.80

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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.