Home / 29,234.86-40,343.92-15,806.14

Finding the Fourth Proportional to 29,234.86, 40,343.92 and 15,806.14

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Solution

The fourth proportional to 29,234.86, 40,343.92 and 15,806.14 is: 21,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,234.86 : 40,343.92 = 15,806.14 : x
  2. Step 2: Convert to fraction form
    29,234.86/40,343.92 = 15,806.14/x
  3. Step 3: Cross multiply
    29,234.86x = 40,343.92 × 15,806.14
  4. Step 4: Simplify right side
    29,234.86x = 637,681,647.67
  5. Step 5: Solve for x
    x = 637,681,647.67/29,234.86
  6. Step 6: Final answer
    x = 21,812.37

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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.