Home / 28,745.85-43,116.08-12,951.93

Finding the Fourth Proportional to 28,745.85, 43,116.08 and 12,951.93

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Solution

The fourth proportional to 28,745.85, 43,116.08 and 12,951.93 is: 19,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,745.85 : 43,116.08 = 12,951.93 : x
  2. Step 2: Convert to fraction form
    28,745.85/43,116.08 = 12,951.93/x
  3. Step 3: Cross multiply
    28,745.85x = 43,116.08 × 12,951.93
  4. Step 4: Simplify right side
    28,745.85x = 558,436,385.27
  5. Step 5: Solve for x
    x = 558,436,385.27/28,745.85
  6. Step 6: Final answer
    x = 19,426.68

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1.5x scale

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.