Home / 38,247.78-52,767.18-28,200.02

Finding the Fourth Proportional to 38,247.78, 52,767.18 and 28,200.02

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Solution

The fourth proportional to 38,247.78, 52,767.18 and 28,200.02 is: 38,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.78 : 52,767.18 = 28,200.02 : x
  2. Step 2: Convert to fraction form
    38,247.78/52,767.18 = 28,200.02/x
  3. Step 3: Cross multiply
    38,247.78x = 52,767.18 × 28,200.02
  4. Step 4: Simplify right side
    38,247.78x = 1,488,035,531.34
  5. Step 5: Solve for x
    x = 1,488,035,531.34/38,247.78
  6. Step 6: Final answer
    x = 38,905.15

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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.