Home / 20,293.29-28,006.02-11,341.44

Finding the Fourth Proportional to 20,293.29, 28,006.02 and 11,341.44

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Solution

The fourth proportional to 20,293.29, 28,006.02 and 11,341.44 is: 15,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.29 : 28,006.02 = 11,341.44 : x
  2. Step 2: Convert to fraction form
    20,293.29/28,006.02 = 11,341.44/x
  3. Step 3: Cross multiply
    20,293.29x = 28,006.02 × 11,341.44
  4. Step 4: Simplify right side
    20,293.29x = 317,628,595.47
  5. Step 5: Solve for x
    x = 317,628,595.47/20,293.29
  6. Step 6: Final answer
    x = 15,651.90

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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.