Home / 28,947.68-43,365.40-19,057.16

Finding the Fourth Proportional to 28,947.68, 43,365.40 and 19,057.16

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Solution

The fourth proportional to 28,947.68, 43,365.40 and 19,057.16 is: 28,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.68 : 43,365.40 = 19,057.16 : x
  2. Step 2: Convert to fraction form
    28,947.68/43,365.40 = 19,057.16/x
  3. Step 3: Cross multiply
    28,947.68x = 43,365.40 × 19,057.16
  4. Step 4: Simplify right side
    28,947.68x = 826,421,366.26
  5. Step 5: Solve for x
    x = 826,421,366.26/28,947.68
  6. Step 6: Final answer
    x = 28,548.79

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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.