Home / 20,714.60-31,007.10-16,308.20

Finding the Fourth Proportional to 20,714.60, 31,007.10 and 16,308.20

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Solution

The fourth proportional to 20,714.60, 31,007.10 and 16,308.20 is: 24,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.60 : 31,007.10 = 16,308.20 : x
  2. Step 2: Convert to fraction form
    20,714.60/31,007.10 = 16,308.20/x
  3. Step 3: Cross multiply
    20,714.60x = 31,007.10 × 16,308.20
  4. Step 4: Simplify right side
    20,714.60x = 505,669,988.22
  5. Step 5: Solve for x
    x = 505,669,988.22/20,714.60
  6. Step 6: Final answer
    x = 24,411.28

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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.