Home / 28,669.63-39,564.11-16,098.43

Finding the Fourth Proportional to 28,669.63, 39,564.11 and 16,098.43

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Solution

The fourth proportional to 28,669.63, 39,564.11 and 16,098.43 is: 22,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.63 : 39,564.11 = 16,098.43 : x
  2. Step 2: Convert to fraction form
    28,669.63/39,564.11 = 16,098.43/x
  3. Step 3: Cross multiply
    28,669.63x = 39,564.11 × 16,098.43
  4. Step 4: Simplify right side
    28,669.63x = 636,919,777.03
  5. Step 5: Solve for x
    x = 636,919,777.03/28,669.63
  6. Step 6: Final answer
    x = 22,215.84

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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.