Home / 29,008.02-39,975.02-20,609.94

Finding the Fourth Proportional to 29,008.02, 39,975.02 and 20,609.94

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Solution

The fourth proportional to 29,008.02, 39,975.02 and 20,609.94 is: 28,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.02 : 39,975.02 = 20,609.94 : x
  2. Step 2: Convert to fraction form
    29,008.02/39,975.02 = 20,609.94/x
  3. Step 3: Cross multiply
    29,008.02x = 39,975.02 × 20,609.94
  4. Step 4: Simplify right side
    29,008.02x = 823,882,763.70
  5. Step 5: Solve for x
    x = 823,882,763.70/29,008.02
  6. Step 6: Final answer
    x = 28,401.90

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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.