Home / 28,253.33-38,989.18-16,153.68

Finding the Fourth Proportional to 28,253.33, 38,989.18 and 16,153.68

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Solution

The fourth proportional to 28,253.33, 38,989.18 and 16,153.68 is: 22,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.33 : 38,989.18 = 16,153.68 : x
  2. Step 2: Convert to fraction form
    28,253.33/38,989.18 = 16,153.68/x
  3. Step 3: Cross multiply
    28,253.33x = 38,989.18 × 16,153.68
  4. Step 4: Simplify right side
    28,253.33x = 629,818,903.58
  5. Step 5: Solve for x
    x = 629,818,903.58/28,253.33
  6. Step 6: Final answer
    x = 22,291.85

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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.