Home / 57,928-86,826.48-26,698.72

Finding the Fourth Proportional to 57,928, 86,826.48 and 26,698.72

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Solution

The fourth proportional to 57,928, 86,826.48 and 26,698.72 is: 40,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928 : 86,826.48 = 26,698.72 : x
  2. Step 2: Convert to fraction form
    57,928/86,826.48 = 26,698.72/x
  3. Step 3: Cross multiply
    57,928x = 86,826.48 × 26,698.72
  4. Step 4: Simplify right side
    57,928x = 2,318,155,878.11
  5. Step 5: Solve for x
    x = 2,318,155,878.11/57,928
  6. Step 6: Final answer
    x = 40,017.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.