Home / 28,975.02-43,348.16-21,974.79

Finding the Fourth Proportional to 28,975.02, 43,348.16 and 21,974.79

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Solution

The fourth proportional to 28,975.02, 43,348.16 and 21,974.79 is: 32,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.02 : 43,348.16 = 21,974.79 : x
  2. Step 2: Convert to fraction form
    28,975.02/43,348.16 = 21,974.79/x
  3. Step 3: Cross multiply
    28,975.02x = 43,348.16 × 21,974.79
  4. Step 4: Simplify right side
    28,975.02x = 952,566,930.38
  5. Step 5: Solve for x
    x = 952,566,930.38/28,975.02
  6. Step 6: Final answer
    x = 32,875.46

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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.