Home / 27,777.46-38,293.05-19,805.86

Finding the Fourth Proportional to 27,777.46, 38,293.05 and 19,805.86

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Solution

The fourth proportional to 27,777.46, 38,293.05 and 19,805.86 is: 27,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.46 : 38,293.05 = 19,805.86 : x
  2. Step 2: Convert to fraction form
    27,777.46/38,293.05 = 19,805.86/x
  3. Step 3: Cross multiply
    27,777.46x = 38,293.05 × 19,805.86
  4. Step 4: Simplify right side
    27,777.46x = 758,426,787.27
  5. Step 5: Solve for x
    x = 758,426,787.27/27,777.46
  6. Step 6: Final answer
    x = 27,303.68

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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.