Home / 20,192.64-27,829.52-16,428.27

Finding the Fourth Proportional to 20,192.64, 27,829.52 and 16,428.27

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Solution

The fourth proportional to 20,192.64, 27,829.52 and 16,428.27 is: 22,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.64 : 27,829.52 = 16,428.27 : x
  2. Step 2: Convert to fraction form
    20,192.64/27,829.52 = 16,428.27/x
  3. Step 3: Cross multiply
    20,192.64x = 27,829.52 × 16,428.27
  4. Step 4: Simplify right side
    20,192.64x = 457,190,868.53
  5. Step 5: Solve for x
    x = 457,190,868.53/20,192.64
  6. Step 6: Final answer
    x = 22,641.46

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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.