Home / 25,919.63-38,879.18-11,875.67

Finding the Fourth Proportional to 25,919.63, 38,879.18 and 11,875.67

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Solution

The fourth proportional to 25,919.63, 38,879.18 and 11,875.67 is: 17,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.63 : 38,879.18 = 11,875.67 : x
  2. Step 2: Convert to fraction form
    25,919.63/38,879.18 = 11,875.67/x
  3. Step 3: Cross multiply
    25,919.63x = 38,879.18 × 11,875.67
  4. Step 4: Simplify right side
    25,919.63x = 461,716,057.78
  5. Step 5: Solve for x
    x = 461,716,057.78/25,919.63
  6. Step 6: Final answer
    x = 17,813.38

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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.