Home / 20,917.94-28,852.18-17,752.32

Finding the Fourth Proportional to 20,917.94, 28,852.18 and 17,752.32

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Solution

The fourth proportional to 20,917.94, 28,852.18 and 17,752.32 is: 24,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917.94 : 28,852.18 = 17,752.32 : x
  2. Step 2: Convert to fraction form
    20,917.94/28,852.18 = 17,752.32/x
  3. Step 3: Cross multiply
    20,917.94x = 28,852.18 × 17,752.32
  4. Step 4: Simplify right side
    20,917.94x = 512,193,132.06
  5. Step 5: Solve for x
    x = 512,193,132.06/20,917.94
  6. Step 6: Final answer
    x = 24,485.83

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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.