Home / 28,164.13-38,866.53-17,553.75

Finding the Fourth Proportional to 28,164.13, 38,866.53 and 17,553.75

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Solution

The fourth proportional to 28,164.13, 38,866.53 and 17,553.75 is: 24,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.13 : 38,866.53 = 17,553.75 : x
  2. Step 2: Convert to fraction form
    28,164.13/38,866.53 = 17,553.75/x
  3. Step 3: Cross multiply
    28,164.13x = 38,866.53 × 17,553.75
  4. Step 4: Simplify right side
    28,164.13x = 682,253,307.10
  5. Step 5: Solve for x
    x = 682,253,307.10/28,164.13
  6. Step 6: Final answer
    x = 24,224.20

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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.