Home / 28,541.08-39,623.89-27,685.72

Finding the Fourth Proportional to 28,541.08, 39,623.89 and 27,685.72

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Solution

The fourth proportional to 28,541.08, 39,623.89 and 27,685.72 is: 38,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.08 : 39,623.89 = 27,685.72 : x
  2. Step 2: Convert to fraction form
    28,541.08/39,623.89 = 27,685.72/x
  3. Step 3: Cross multiply
    28,541.08x = 39,623.89 × 27,685.72
  4. Step 4: Simplify right side
    28,541.08x = 1,097,015,923.85
  5. Step 5: Solve for x
    x = 1,097,015,923.85/28,541.08
  6. Step 6: Final answer
    x = 38,436.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.