Home / 25,381.36-38,050.16-12,242.96

Finding the Fourth Proportional to 25,381.36, 38,050.16 and 12,242.96

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Solution

The fourth proportional to 25,381.36, 38,050.16 and 12,242.96 is: 18,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.36 : 38,050.16 = 12,242.96 : x
  2. Step 2: Convert to fraction form
    25,381.36/38,050.16 = 12,242.96/x
  3. Step 3: Cross multiply
    25,381.36x = 38,050.16 × 12,242.96
  4. Step 4: Simplify right side
    25,381.36x = 465,846,586.87
  5. Step 5: Solve for x
    x = 465,846,586.87/25,381.36
  6. Step 6: Final answer
    x = 18,353.89

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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.