Home / 38,826.64-53,509.70-28,197.82

Finding the Fourth Proportional to 38,826.64, 53,509.70 and 28,197.82

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Solution

The fourth proportional to 38,826.64, 53,509.70 and 28,197.82 is: 38,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.64 : 53,509.70 = 28,197.82 : x
  2. Step 2: Convert to fraction form
    38,826.64/53,509.70 = 28,197.82/x
  3. Step 3: Cross multiply
    38,826.64x = 53,509.70 × 28,197.82
  4. Step 4: Simplify right side
    38,826.64x = 1,508,856,888.85
  5. Step 5: Solve for x
    x = 1,508,856,888.85/38,826.64
  6. Step 6: Final answer
    x = 38,861.38

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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.