Home / 52,745.66-72,786.18-28,867.72

Finding the Fourth Proportional to 52,745.66, 72,786.18 and 28,867.72

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Solution

The fourth proportional to 52,745.66, 72,786.18 and 28,867.72 is: 39,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.66 : 72,786.18 = 28,867.72 : x
  2. Step 2: Convert to fraction form
    52,745.66/72,786.18 = 28,867.72/x
  3. Step 3: Cross multiply
    52,745.66x = 72,786.18 × 28,867.72
  4. Step 4: Simplify right side
    52,745.66x = 2,101,171,064.11
  5. Step 5: Solve for x
    x = 2,101,171,064.11/52,745.66
  6. Step 6: Final answer
    x = 39,835.90

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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.