Home / 28,864.36-39,827.46-16,286.68

Finding the Fourth Proportional to 28,864.36, 39,827.46 and 16,286.68

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Solution

The fourth proportional to 28,864.36, 39,827.46 and 16,286.68 is: 22,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.36 : 39,827.46 = 16,286.68 : x
  2. Step 2: Convert to fraction form
    28,864.36/39,827.46 = 16,286.68/x
  3. Step 3: Cross multiply
    28,864.36x = 39,827.46 × 16,286.68
  4. Step 4: Simplify right side
    28,864.36x = 648,657,096.23
  5. Step 5: Solve for x
    x = 648,657,096.23/28,864.36
  6. Step 6: Final answer
    x = 22,472.60

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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.