Home / 20,347.20-30,494.52-16,400.28

Finding the Fourth Proportional to 20,347.20, 30,494.52 and 16,400.28

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Solution

The fourth proportional to 20,347.20, 30,494.52 and 16,400.28 is: 24,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.20 : 30,494.52 = 16,400.28 : x
  2. Step 2: Convert to fraction form
    20,347.20/30,494.52 = 16,400.28/x
  3. Step 3: Cross multiply
    20,347.20x = 30,494.52 × 16,400.28
  4. Step 4: Simplify right side
    20,347.20x = 500,118,666.47
  5. Step 5: Solve for x
    x = 500,118,666.47/20,347.20
  6. Step 6: Final answer
    x = 24,579.24

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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.