Home / 52,826.88-72,900.48-28,627.36

Finding the Fourth Proportional to 52,826.88, 72,900.48 and 28,627.36

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Solution

The fourth proportional to 52,826.88, 72,900.48 and 28,627.36 is: 39,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,826.88 : 72,900.48 = 28,627.36 : x
  2. Step 2: Convert to fraction form
    52,826.88/72,900.48 = 28,627.36/x
  3. Step 3: Cross multiply
    52,826.88x = 72,900.48 × 28,627.36
  4. Step 4: Simplify right side
    52,826.88x = 2,086,948,285.13
  5. Step 5: Solve for x
    x = 2,086,948,285.13/52,826.88
  6. Step 6: Final answer
    x = 39,505.42

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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.