Home / 38,827.64-53,511.08-28,198.82

Finding the Fourth Proportional to 38,827.64, 53,511.08 and 28,198.82

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Solution

The fourth proportional to 38,827.64, 53,511.08 and 28,198.82 is: 38,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827.64 : 53,511.08 = 28,198.82 : x
  2. Step 2: Convert to fraction form
    38,827.64/53,511.08 = 28,198.82/x
  3. Step 3: Cross multiply
    38,827.64x = 53,511.08 × 28,198.82
  4. Step 4: Simplify right side
    38,827.64x = 1,508,949,312.93
  5. Step 5: Solve for x
    x = 1,508,949,312.93/38,827.64
  6. Step 6: Final answer
    x = 38,862.76

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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.