Home / 19,631.24-27,115.43-14,245.01

Finding the Fourth Proportional to 19,631.24, 27,115.43 and 14,245.01

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Solution

The fourth proportional to 19,631.24, 27,115.43 and 14,245.01 is: 19,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.24 : 27,115.43 = 14,245.01 : x
  2. Step 2: Convert to fraction form
    19,631.24/27,115.43 = 14,245.01/x
  3. Step 3: Cross multiply
    19,631.24x = 27,115.43 × 14,245.01
  4. Step 4: Simplify right side
    19,631.24x = 386,259,466.38
  5. Step 5: Solve for x
    x = 386,259,466.38/19,631.24
  6. Step 6: Final answer
    x = 19,675.76

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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.