Home / 28,907.95-43,386.62-20,608.27

Finding the Fourth Proportional to 28,907.95, 43,386.62 and 20,608.27

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Solution

The fourth proportional to 28,907.95, 43,386.62 and 20,608.27 is: 30,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.95 : 43,386.62 = 20,608.27 : x
  2. Step 2: Convert to fraction form
    28,907.95/43,386.62 = 20,608.27/x
  3. Step 3: Cross multiply
    28,907.95x = 43,386.62 × 20,608.27
  4. Step 4: Simplify right side
    28,907.95x = 894,123,179.35
  5. Step 5: Solve for x
    x = 894,123,179.35/28,907.95
  6. Step 6: Final answer
    x = 30,930.01

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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.