Home / 29,420.49-40,600.54-15,991.77

Finding the Fourth Proportional to 29,420.49, 40,600.54 and 15,991.77

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Solution

The fourth proportional to 29,420.49, 40,600.54 and 15,991.77 is: 22,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.49 : 40,600.54 = 15,991.77 : x
  2. Step 2: Convert to fraction form
    29,420.49/40,600.54 = 15,991.77/x
  3. Step 3: Cross multiply
    29,420.49x = 40,600.54 × 15,991.77
  4. Step 4: Simplify right side
    29,420.49x = 649,274,497.56
  5. Step 5: Solve for x
    x = 649,274,497.56/29,420.49
  6. Step 6: Final answer
    x = 22,068.79

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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.