Home / 52,372.32-72,273.81-28,499.09

Finding the Fourth Proportional to 52,372.32, 72,273.81 and 28,499.09

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Solution

The fourth proportional to 52,372.32, 72,273.81 and 28,499.09 is: 39,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.32 : 72,273.81 = 28,499.09 : x
  2. Step 2: Convert to fraction form
    52,372.32/72,273.81 = 28,499.09/x
  3. Step 3: Cross multiply
    52,372.32x = 72,273.81 × 28,499.09
  4. Step 4: Simplify right side
    52,372.32x = 2,059,737,454.46
  5. Step 5: Solve for x
    x = 2,059,737,454.46/52,372.32
  6. Step 6: Final answer
    x = 39,328.74

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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.