Home / 25,081.55-34,612.92-13,751.67

Finding the Fourth Proportional to 25,081.55, 34,612.92 and 13,751.67

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Solution

The fourth proportional to 25,081.55, 34,612.92 and 13,751.67 is: 18,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.55 : 34,612.92 = 13,751.67 : x
  2. Step 2: Convert to fraction form
    25,081.55/34,612.92 = 13,751.67/x
  3. Step 3: Cross multiply
    25,081.55x = 34,612.92 × 13,751.67
  4. Step 4: Simplify right side
    25,081.55x = 475,985,583.37
  5. Step 5: Solve for x
    x = 475,985,583.37/25,081.55
  6. Step 6: Final answer
    x = 18,977.52

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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.