Home / 20,295.32-28,005.66-11,341.58

Finding the Fourth Proportional to 20,295.32, 28,005.66 and 11,341.58

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Solution

The fourth proportional to 20,295.32, 28,005.66 and 11,341.58 is: 15,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.32 : 28,005.66 = 11,341.58 : x
  2. Step 2: Convert to fraction form
    20,295.32/28,005.66 = 11,341.58/x
  3. Step 3: Cross multiply
    20,295.32x = 28,005.66 × 11,341.58
  4. Step 4: Simplify right side
    20,295.32x = 317,628,293.31
  5. Step 5: Solve for x
    x = 317,628,293.31/20,295.32
  6. Step 6: Final answer
    x = 15,650.33

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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.