Home / 25,771.89-38,667.03-15,899.67

Finding the Fourth Proportional to 25,771.89, 38,667.03 and 15,899.67

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Solution

The fourth proportional to 25,771.89, 38,667.03 and 15,899.67 is: 23,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.89 : 38,667.03 = 15,899.67 : x
  2. Step 2: Convert to fraction form
    25,771.89/38,667.03 = 15,899.67/x
  3. Step 3: Cross multiply
    25,771.89x = 38,667.03 × 15,899.67
  4. Step 4: Simplify right side
    25,771.89x = 614,793,016.88
  5. Step 5: Solve for x
    x = 614,793,016.88/25,771.89
  6. Step 6: Final answer
    x = 23,855.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.