Home / 20,403.81-30,576.98-16,225.27

Finding the Fourth Proportional to 20,403.81, 30,576.98 and 16,225.27

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Solution

The fourth proportional to 20,403.81, 30,576.98 and 16,225.27 is: 24,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.81 : 30,576.98 = 16,225.27 : x
  2. Step 2: Convert to fraction form
    20,403.81/30,576.98 = 16,225.27/x
  3. Step 3: Cross multiply
    20,403.81x = 30,576.98 × 16,225.27
  4. Step 4: Simplify right side
    20,403.81x = 496,119,720.41
  5. Step 5: Solve for x
    x = 496,119,720.41/20,403.81
  6. Step 6: Final answer
    x = 24,315.05

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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.