Home / 27,709.21-38,239.01-15,133.96

Finding the Fourth Proportional to 27,709.21, 38,239.01 and 15,133.96

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Solution

The fourth proportional to 27,709.21, 38,239.01 and 15,133.96 is: 20,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709.21 : 38,239.01 = 15,133.96 : x
  2. Step 2: Convert to fraction form
    27,709.21/38,239.01 = 15,133.96/x
  3. Step 3: Cross multiply
    27,709.21x = 38,239.01 × 15,133.96
  4. Step 4: Simplify right side
    27,709.21x = 578,707,647.78
  5. Step 5: Solve for x
    x = 578,707,647.78/27,709.21
  6. Step 6: Final answer
    x = 20,885.03

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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.