Home / 20,429.03-28,195.34-19,094.96

Finding the Fourth Proportional to 20,429.03, 28,195.34 and 19,094.96

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Solution

The fourth proportional to 20,429.03, 28,195.34 and 19,094.96 is: 26,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429.03 : 28,195.34 = 19,094.96 : x
  2. Step 2: Convert to fraction form
    20,429.03/28,195.34 = 19,094.96/x
  3. Step 3: Cross multiply
    20,429.03x = 28,195.34 × 19,094.96
  4. Step 4: Simplify right side
    20,429.03x = 538,388,653.03
  5. Step 5: Solve for x
    x = 538,388,653.03/20,429.03
  6. Step 6: Final answer
    x = 26,354.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.