Home / 28,882.08-43,362.96-19,975.36

Finding the Fourth Proportional to 28,882.08, 43,362.96 and 19,975.36

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Solution

The fourth proportional to 28,882.08, 43,362.96 and 19,975.36 is: 29,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.08 : 43,362.96 = 19,975.36 : x
  2. Step 2: Convert to fraction form
    28,882.08/43,362.96 = 19,975.36/x
  3. Step 3: Cross multiply
    28,882.08x = 43,362.96 × 19,975.36
  4. Step 4: Simplify right side
    28,882.08x = 866,190,736.67
  5. Step 5: Solve for x
    x = 866,190,736.67/28,882.08
  6. Step 6: Final answer
    x = 29,990.59

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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.