Home / 27,178.16-37,506.81-15,845.73

Finding the Fourth Proportional to 27,178.16, 37,506.81 and 15,845.73

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Solution

The fourth proportional to 27,178.16, 37,506.81 and 15,845.73 is: 21,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.16 : 37,506.81 = 15,845.73 : x
  2. Step 2: Convert to fraction form
    27,178.16/37,506.81 = 15,845.73/x
  3. Step 3: Cross multiply
    27,178.16x = 37,506.81 × 15,845.73
  4. Step 4: Simplify right side
    27,178.16x = 594,322,784.42
  5. Step 5: Solve for x
    x = 594,322,784.42/27,178.16
  6. Step 6: Final answer
    x = 21,867.66

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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.