Home / 29,199.28-40,295-15,770.54

Finding the Fourth Proportional to 29,199.28, 40,295 and 15,770.54

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Solution

The fourth proportional to 29,199.28, 40,295 and 15,770.54 is: 21,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.28 : 40,295 = 15,770.54 : x
  2. Step 2: Convert to fraction form
    29,199.28/40,295 = 15,770.54/x
  3. Step 3: Cross multiply
    29,199.28x = 40,295 × 15,770.54
  4. Step 4: Simplify right side
    29,199.28x = 635,473,707.83
  5. Step 5: Solve for x
    x = 635,473,707.83/29,199.28
  6. Step 6: Final answer
    x = 21,763.33

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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.