Home / 52,267.96-72,129.39-28,394.80

Finding the Fourth Proportional to 52,267.96, 72,129.39 and 28,394.80

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Solution

The fourth proportional to 52,267.96, 72,129.39 and 28,394.80 is: 39,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.96 : 72,129.39 = 28,394.80 : x
  2. Step 2: Convert to fraction form
    52,267.96/72,129.39 = 28,394.80/x
  3. Step 3: Cross multiply
    52,267.96x = 72,129.39 × 28,394.80
  4. Step 4: Simplify right side
    52,267.96x = 2,048,099,722.10
  5. Step 5: Solve for x
    x = 2,048,099,722.10/52,267.96
  6. Step 6: Final answer
    x = 39,184.61

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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.