Home / 28,080.56-38,757.24-19,149.38

Finding the Fourth Proportional to 28,080.56, 38,757.24 and 19,149.38

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Solution

The fourth proportional to 28,080.56, 38,757.24 and 19,149.38 is: 26,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.56 : 38,757.24 = 19,149.38 : x
  2. Step 2: Convert to fraction form
    28,080.56/38,757.24 = 19,149.38/x
  3. Step 3: Cross multiply
    28,080.56x = 38,757.24 × 19,149.38
  4. Step 4: Simplify right side
    28,080.56x = 742,177,116.51
  5. Step 5: Solve for x
    x = 742,177,116.51/28,080.56
  6. Step 6: Final answer
    x = 26,430.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.