Home / 28,959.02-43,356.61-18,402.87

Finding the Fourth Proportional to 28,959.02, 43,356.61 and 18,402.87

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Solution

The fourth proportional to 28,959.02, 43,356.61 and 18,402.87 is: 27,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959.02 : 43,356.61 = 18,402.87 : x
  2. Step 2: Convert to fraction form
    28,959.02/43,356.61 = 18,402.87/x
  3. Step 3: Cross multiply
    28,959.02x = 43,356.61 × 18,402.87
  4. Step 4: Simplify right side
    28,959.02x = 797,886,057.47
  5. Step 5: Solve for x
    x = 797,886,057.47/28,959.02
  6. Step 6: Final answer
    x = 27,552.25

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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.