Home / 20,342.24-30,459.96-16,372.40

Finding the Fourth Proportional to 20,342.24, 30,459.96 and 16,372.40

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Solution

The fourth proportional to 20,342.24, 30,459.96 and 16,372.40 is: 24,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.24 : 30,459.96 = 16,372.40 : x
  2. Step 2: Convert to fraction form
    20,342.24/30,459.96 = 16,372.40/x
  3. Step 3: Cross multiply
    20,342.24x = 30,459.96 × 16,372.40
  4. Step 4: Simplify right side
    20,342.24x = 498,702,649.10
  5. Step 5: Solve for x
    x = 498,702,649.10/20,342.24
  6. Step 6: Final answer
    x = 24,515.62

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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.