Home / 20,316.24-30,420.96-16,346.40

Finding the Fourth Proportional to 20,316.24, 30,420.96 and 16,346.40

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Solution

The fourth proportional to 20,316.24, 30,420.96 and 16,346.40 is: 24,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.24 : 30,420.96 = 16,346.40 : x
  2. Step 2: Convert to fraction form
    20,316.24/30,420.96 = 16,346.40/x
  3. Step 3: Cross multiply
    20,316.24x = 30,420.96 × 16,346.40
  4. Step 4: Simplify right side
    20,316.24x = 497,273,180.54
  5. Step 5: Solve for x
    x = 497,273,180.54/20,316.24
  6. Step 6: Final answer
    x = 24,476.63

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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.