Home / 29,420.36-40,600.17-15,991.59

Finding the Fourth Proportional to 29,420.36, 40,600.17 and 15,991.59

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Solution

The fourth proportional to 29,420.36, 40,600.17 and 15,991.59 is: 22,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.36 : 40,600.17 = 15,991.59 : x
  2. Step 2: Convert to fraction form
    29,420.36/40,600.17 = 15,991.59/x
  3. Step 3: Cross multiply
    29,420.36x = 40,600.17 × 15,991.59
  4. Step 4: Simplify right side
    29,420.36x = 649,261,272.57
  5. Step 5: Solve for x
    x = 649,261,272.57/29,420.36
  6. Step 6: Final answer
    x = 22,068.43

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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.