Home / 26,000.27-38,976.80-13,505.67

Finding the Fourth Proportional to 26,000.27, 38,976.80 and 13,505.67

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Solution

The fourth proportional to 26,000.27, 38,976.80 and 13,505.67 is: 20,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.27 : 38,976.80 = 13,505.67 : x
  2. Step 2: Convert to fraction form
    26,000.27/38,976.80 = 13,505.67/x
  3. Step 3: Cross multiply
    26,000.27x = 38,976.80 × 13,505.67
  4. Step 4: Simplify right side
    26,000.27x = 526,407,730.93
  5. Step 5: Solve for x
    x = 526,407,730.93/26,000.27
  6. Step 6: Final answer
    x = 20,246.24

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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.