Home / 27,681.08-38,204.73-16,349.78

Finding the Fourth Proportional to 27,681.08, 38,204.73 and 16,349.78

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Solution

The fourth proportional to 27,681.08, 38,204.73 and 16,349.78 is: 22,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.08 : 38,204.73 = 16,349.78 : x
  2. Step 2: Convert to fraction form
    27,681.08/38,204.73 = 16,349.78/x
  3. Step 3: Cross multiply
    27,681.08x = 38,204.73 × 16,349.78
  4. Step 4: Simplify right side
    27,681.08x = 624,639,025.97
  5. Step 5: Solve for x
    x = 624,639,025.97/27,681.08
  6. Step 6: Final answer
    x = 22,565.56

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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.