Home / 28,218.28-38,852.54-23,960.38

Finding the Fourth Proportional to 28,218.28, 38,852.54 and 23,960.38

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Solution

The fourth proportional to 28,218.28, 38,852.54 and 23,960.38 is: 32,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218.28 : 38,852.54 = 23,960.38 : x
  2. Step 2: Convert to fraction form
    28,218.28/38,852.54 = 23,960.38/x
  3. Step 3: Cross multiply
    28,218.28x = 38,852.54 × 23,960.38
  4. Step 4: Simplify right side
    28,218.28x = 930,921,622.37
  5. Step 5: Solve for x
    x = 930,921,622.37/28,218.28
  6. Step 6: Final answer
    x = 32,990.02

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Half scale
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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.