Home / 28,548.01-39,400.92-19,588.12

Finding the Fourth Proportional to 28,548.01, 39,400.92 and 19,588.12

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Solution

The fourth proportional to 28,548.01, 39,400.92 and 19,588.12 is: 27,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.01 : 39,400.92 = 19,588.12 : x
  2. Step 2: Convert to fraction form
    28,548.01/39,400.92 = 19,588.12/x
  3. Step 3: Cross multiply
    28,548.01x = 39,400.92 × 19,588.12
  4. Step 4: Simplify right side
    28,548.01x = 771,789,949.07
  5. Step 5: Solve for x
    x = 771,789,949.07/28,548.01
  6. Step 6: Final answer
    x = 27,034.81

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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.