Home / 27,631.23-38,131.09-15,055.98

Finding the Fourth Proportional to 27,631.23, 38,131.09 and 15,055.98

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Solution

The fourth proportional to 27,631.23, 38,131.09 and 15,055.98 is: 20,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.23 : 38,131.09 = 15,055.98 : x
  2. Step 2: Convert to fraction form
    27,631.23/38,131.09 = 15,055.98/x
  3. Step 3: Cross multiply
    27,631.23x = 38,131.09 × 15,055.98
  4. Step 4: Simplify right side
    27,631.23x = 574,100,928.42
  5. Step 5: Solve for x
    x = 574,100,928.42/27,631.23
  6. Step 6: Final answer
    x = 20,777.25

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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.