Home / 28,959.14-43,356.80-18,403.00

Finding the Fourth Proportional to 28,959.14, 43,356.80 and 18,403.00

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Solution

The fourth proportional to 28,959.14, 43,356.80 and 18,403.00 is: 27,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959.14 : 43,356.80 = 18,403.00 : x
  2. Step 2: Convert to fraction form
    28,959.14/43,356.80 = 18,403.00/x
  3. Step 3: Cross multiply
    28,959.14x = 43,356.80 × 18,403.00
  4. Step 4: Simplify right side
    28,959.14x = 797,895,128.02
  5. Step 5: Solve for x
    x = 797,895,128.02/28,959.14
  6. Step 6: Final answer
    x = 27,552.44

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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.