Home / 28,020.05-38,667.42-15,273.23

Finding the Fourth Proportional to 28,020.05, 38,667.42 and 15,273.23

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Solution

The fourth proportional to 28,020.05, 38,667.42 and 15,273.23 is: 21,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020.05 : 38,667.42 = 15,273.23 : x
  2. Step 2: Convert to fraction form
    28,020.05/38,667.42 = 15,273.23/x
  3. Step 3: Cross multiply
    28,020.05x = 38,667.42 × 15,273.23
  4. Step 4: Simplify right side
    28,020.05x = 590,576,322.80
  5. Step 5: Solve for x
    x = 590,576,322.80/28,020.05
  6. Step 6: Final answer
    x = 21,076.92

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Double scale
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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.