Home / 28,991.02-43,481.28-13,192.32

Finding the Fourth Proportional to 28,991.02, 43,481.28 and 13,192.32

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Solution

The fourth proportional to 28,991.02, 43,481.28 and 13,192.32 is: 19,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.02 : 43,481.28 = 13,192.32 : x
  2. Step 2: Convert to fraction form
    28,991.02/43,481.28 = 13,192.32/x
  3. Step 3: Cross multiply
    28,991.02x = 43,481.28 × 13,192.32
  4. Step 4: Simplify right side
    28,991.02x = 573,618,959.77
  5. Step 5: Solve for x
    x = 573,618,959.77/28,991.02
  6. Step 6: Final answer
    x = 19,786.09

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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.