Home / 38,339.90-52,905.35-28,273.76

Finding the Fourth Proportional to 38,339.90, 52,905.35 and 28,273.76

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Solution

The fourth proportional to 38,339.90, 52,905.35 and 28,273.76 is: 39,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.90 : 52,905.35 = 28,273.76 : x
  2. Step 2: Convert to fraction form
    38,339.90/52,905.35 = 28,273.76/x
  3. Step 3: Cross multiply
    38,339.90x = 52,905.35 × 28,273.76
  4. Step 4: Simplify right side
    38,339.90x = 1,495,833,168.62
  5. Step 5: Solve for x
    x = 1,495,833,168.62/38,339.90
  6. Step 6: Final answer
    x = 39,015.05

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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.