Home / 27,040.75-37,326.50-20,345.84

Finding the Fourth Proportional to 27,040.75, 37,326.50 and 20,345.84

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Solution

The fourth proportional to 27,040.75, 37,326.50 and 20,345.84 is: 28,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.75 : 37,326.50 = 20,345.84 : x
  2. Step 2: Convert to fraction form
    27,040.75/37,326.50 = 20,345.84/x
  3. Step 3: Cross multiply
    27,040.75x = 37,326.50 × 20,345.84
  4. Step 4: Simplify right side
    27,040.75x = 759,439,249.08
  5. Step 5: Solve for x
    x = 759,439,249.08/27,040.75
  6. Step 6: Final answer
    x = 28,084.99

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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.