Home / 20,498.28-28,228.07-17,808.27

Finding the Fourth Proportional to 20,498.28, 28,228.07 and 17,808.27

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Solution

The fourth proportional to 20,498.28, 28,228.07 and 17,808.27 is: 24,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.28 : 28,228.07 = 17,808.27 : x
  2. Step 2: Convert to fraction form
    20,498.28/28,228.07 = 17,808.27/x
  3. Step 3: Cross multiply
    20,498.28x = 28,228.07 × 17,808.27
  4. Step 4: Simplify right side
    20,498.28x = 502,693,092.14
  5. Step 5: Solve for x
    x = 502,693,092.14/20,498.28
  6. Step 6: Final answer
    x = 24,523.67

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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.