Home / 38,235.10-52,767.03-28,788.70

Finding the Fourth Proportional to 38,235.10, 52,767.03 and 28,788.70

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Solution

The fourth proportional to 38,235.10, 52,767.03 and 28,788.70 is: 39,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.10 : 52,767.03 = 28,788.70 : x
  2. Step 2: Convert to fraction form
    38,235.10/52,767.03 = 28,788.70/x
  3. Step 3: Cross multiply
    38,235.10x = 52,767.03 × 28,788.70
  4. Step 4: Simplify right side
    38,235.10x = 1,519,094,196.56
  5. Step 5: Solve for x
    x = 1,519,094,196.56/38,235.10
  6. Step 6: Final answer
    x = 39,730.36

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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.