Home / 20,403.81-30,576.96-16,225.29

Finding the Fourth Proportional to 20,403.81, 30,576.96 and 16,225.29

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Solution

The fourth proportional to 20,403.81, 30,576.96 and 16,225.29 is: 24,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.81 : 30,576.96 = 16,225.29 : x
  2. Step 2: Convert to fraction form
    20,403.81/30,576.96 = 16,225.29/x
  3. Step 3: Cross multiply
    20,403.81x = 30,576.96 × 16,225.29
  4. Step 4: Simplify right side
    20,403.81x = 496,120,043.32
  5. Step 5: Solve for x
    x = 496,120,043.32/20,403.81
  6. Step 6: Final answer
    x = 24,315.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.