Home / 29,277.65-40,403.21-15,849.02

Finding the Fourth Proportional to 29,277.65, 40,403.21 and 15,849.02

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Solution

The fourth proportional to 29,277.65, 40,403.21 and 15,849.02 is: 21,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.65 : 40,403.21 = 15,849.02 : x
  2. Step 2: Convert to fraction form
    29,277.65/40,403.21 = 15,849.02/x
  3. Step 3: Cross multiply
    29,277.65x = 40,403.21 × 15,849.02
  4. Step 4: Simplify right side
    29,277.65x = 640,351,002.09
  5. Step 5: Solve for x
    x = 640,351,002.09/29,277.65
  6. Step 6: Final answer
    x = 21,871.67

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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.