Home / 28,092.60-38,775.24-16,157.28

Finding the Fourth Proportional to 28,092.60, 38,775.24 and 16,157.28

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Solution

The fourth proportional to 28,092.60, 38,775.24 and 16,157.28 is: 22,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.60 : 38,775.24 = 16,157.28 : x
  2. Step 2: Convert to fraction form
    28,092.60/38,775.24 = 16,157.28/x
  3. Step 3: Cross multiply
    28,092.60x = 38,775.24 × 16,157.28
  4. Step 4: Simplify right side
    28,092.60x = 626,502,409.75
  5. Step 5: Solve for x
    x = 626,502,409.75/28,092.60
  6. Step 6: Final answer
    x = 22,301.33

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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.