Home / 29,419.23-40,596.81-15,990.37

Finding the Fourth Proportional to 29,419.23, 40,596.81 and 15,990.37

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Solution

The fourth proportional to 29,419.23, 40,596.81 and 15,990.37 is: 22,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.23 : 40,596.81 = 15,990.37 : x
  2. Step 2: Convert to fraction form
    29,419.23/40,596.81 = 15,990.37/x
  3. Step 3: Cross multiply
    29,419.23x = 40,596.81 × 15,990.37
  4. Step 4: Simplify right side
    29,419.23x = 649,157,809.74
  5. Step 5: Solve for x
    x = 649,157,809.74/29,419.23
  6. Step 6: Final answer
    x = 22,065.76

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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.