Home / 28,135.04-38,822.05-16,196.07

Finding the Fourth Proportional to 28,135.04, 38,822.05 and 16,196.07

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Solution

The fourth proportional to 28,135.04, 38,822.05 and 16,196.07 is: 22,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135.04 : 38,822.05 = 16,196.07 : x
  2. Step 2: Convert to fraction form
    28,135.04/38,822.05 = 16,196.07/x
  3. Step 3: Cross multiply
    28,135.04x = 38,822.05 × 16,196.07
  4. Step 4: Simplify right side
    28,135.04x = 628,764,724.19
  5. Step 5: Solve for x
    x = 628,764,724.19/28,135.04
  6. Step 6: Final answer
    x = 22,348.10

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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.