Home / 25,331.15-38,004.93-12,181.82

Finding the Fourth Proportional to 25,331.15, 38,004.93 and 12,181.82

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Solution

The fourth proportional to 25,331.15, 38,004.93 and 12,181.82 is: 18,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.15 : 38,004.93 = 12,181.82 : x
  2. Step 2: Convert to fraction form
    25,331.15/38,004.93 = 12,181.82/x
  3. Step 3: Cross multiply
    25,331.15x = 38,004.93 × 12,181.82
  4. Step 4: Simplify right side
    25,331.15x = 462,969,026.35
  5. Step 5: Solve for x
    x = 462,969,026.35/25,331.15
  6. Step 6: Final answer
    x = 18,276.67

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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.