Home / 52,768.32-72,820.26-28,896.44

Finding the Fourth Proportional to 52,768.32, 72,820.26 and 28,896.44

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Solution

The fourth proportional to 52,768.32, 72,820.26 and 28,896.44 is: 39,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.32 : 72,820.26 = 28,896.44 : x
  2. Step 2: Convert to fraction form
    52,768.32/72,820.26 = 28,896.44/x
  3. Step 3: Cross multiply
    52,768.32x = 72,820.26 × 28,896.44
  4. Step 4: Simplify right side
    52,768.32x = 2,104,246,273.87
  5. Step 5: Solve for x
    x = 2,104,246,273.87/52,768.32
  6. Step 6: Final answer
    x = 39,877.08

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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.