Home / 52,729.94-72,767.32-28,856.62

Finding the Fourth Proportional to 52,729.94, 72,767.32 and 28,856.62

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Solution

The fourth proportional to 52,729.94, 72,767.32 and 28,856.62 is: 39,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.94 : 72,767.32 = 28,856.62 : x
  2. Step 2: Convert to fraction form
    52,729.94/72,767.32 = 28,856.62/x
  3. Step 3: Cross multiply
    52,729.94x = 72,767.32 × 28,856.62
  4. Step 4: Simplify right side
    52,729.94x = 2,099,818,901.66
  5. Step 5: Solve for x
    x = 2,099,818,901.66/52,729.94
  6. Step 6: Final answer
    x = 39,822.14

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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.