Home / 20,293.27-28,005.95-11,341.49

Finding the Fourth Proportional to 20,293.27, 28,005.95 and 11,341.49

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Solution

The fourth proportional to 20,293.27, 28,005.95 and 11,341.49 is: 15,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.27 : 28,005.95 = 11,341.49 : x
  2. Step 2: Convert to fraction form
    20,293.27/28,005.95 = 11,341.49/x
  3. Step 3: Cross multiply
    20,293.27x = 28,005.95 × 11,341.49
  4. Step 4: Simplify right side
    20,293.27x = 317,629,090.19
  5. Step 5: Solve for x
    x = 317,629,090.19/20,293.27
  6. Step 6: Final answer
    x = 15,651.94

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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.