Home / 38,829.64-53,513.84-28,200.82

Finding the Fourth Proportional to 38,829.64, 53,513.84 and 28,200.82

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Solution

The fourth proportional to 38,829.64, 53,513.84 and 28,200.82 is: 38,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.64 : 53,513.84 = 28,200.82 : x
  2. Step 2: Convert to fraction form
    38,829.64/53,513.84 = 28,200.82/x
  3. Step 3: Cross multiply
    38,829.64x = 53,513.84 × 28,200.82
  4. Step 4: Simplify right side
    38,829.64x = 1,509,134,169.35
  5. Step 5: Solve for x
    x = 1,509,134,169.35/38,829.64
  6. Step 6: Final answer
    x = 38,865.52

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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.