Home / 20,132.25-27,774.54-11,632.81

Finding the Fourth Proportional to 20,132.25, 27,774.54 and 11,632.81

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Solution

The fourth proportional to 20,132.25, 27,774.54 and 11,632.81 is: 16,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.25 : 27,774.54 = 11,632.81 : x
  2. Step 2: Convert to fraction form
    20,132.25/27,774.54 = 11,632.81/x
  3. Step 3: Cross multiply
    20,132.25x = 27,774.54 × 11,632.81
  4. Step 4: Simplify right side
    20,132.25x = 323,095,877.22
  5. Step 5: Solve for x
    x = 323,095,877.22/20,132.25
  6. Step 6: Final answer
    x = 16,048.67

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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.