Home / 38,687.32-53,370.30-28,053.64

Finding the Fourth Proportional to 38,687.32, 53,370.30 and 28,053.64

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Solution

The fourth proportional to 38,687.32, 53,370.30 and 28,053.64 is: 38,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.32 : 53,370.30 = 28,053.64 : x
  2. Step 2: Convert to fraction form
    38,687.32/53,370.30 = 28,053.64/x
  3. Step 3: Cross multiply
    38,687.32x = 53,370.30 × 28,053.64
  4. Step 4: Simplify right side
    38,687.32x = 1,497,231,182.89
  5. Step 5: Solve for x
    x = 1,497,231,182.89/38,687.32
  6. Step 6: Final answer
    x = 38,700.82

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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.