Home / 28,827.34-39,781.68-16,252.09

Finding the Fourth Proportional to 28,827.34, 39,781.68 and 16,252.09

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Solution

The fourth proportional to 28,827.34, 39,781.68 and 16,252.09 is: 22,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.34 : 39,781.68 = 16,252.09 : x
  2. Step 2: Convert to fraction form
    28,827.34/39,781.68 = 16,252.09/x
  3. Step 3: Cross multiply
    28,827.34x = 39,781.68 × 16,252.09
  4. Step 4: Simplify right side
    28,827.34x = 646,535,443.71
  5. Step 5: Solve for x
    x = 646,535,443.71/28,827.34
  6. Step 6: Final answer
    x = 22,427.86

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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.