Home / 27,895.44-38,498.16-15,322.80

Finding the Fourth Proportional to 27,895.44, 38,498.16 and 15,322.80

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Solution

The fourth proportional to 27,895.44, 38,498.16 and 15,322.80 is: 21,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.44 : 38,498.16 = 15,322.80 : x
  2. Step 2: Convert to fraction form
    27,895.44/38,498.16 = 15,322.80/x
  3. Step 3: Cross multiply
    27,895.44x = 38,498.16 × 15,322.80
  4. Step 4: Simplify right side
    27,895.44x = 589,899,606.05
  5. Step 5: Solve for x
    x = 589,899,606.05/27,895.44
  6. Step 6: Final answer
    x = 21,146.81

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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.