Home / 28,638.15-39,528.18-16,066.95

Finding the Fourth Proportional to 28,638.15, 39,528.18 and 16,066.95

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Solution

The fourth proportional to 28,638.15, 39,528.18 and 16,066.95 is: 22,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.15 : 39,528.18 = 16,066.95 : x
  2. Step 2: Convert to fraction form
    28,638.15/39,528.18 = 16,066.95/x
  3. Step 3: Cross multiply
    28,638.15x = 39,528.18 × 16,066.95
  4. Step 4: Simplify right side
    28,638.15x = 635,097,291.65
  5. Step 5: Solve for x
    x = 635,097,291.65/28,638.15
  6. Step 6: Final answer
    x = 22,176.62

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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.