Home / 20,032.32-27,645.09-11,080.00

Finding the Fourth Proportional to 20,032.32, 27,645.09 and 11,080.00

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Solution

The fourth proportional to 20,032.32, 27,645.09 and 11,080.00 is: 15,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.32 : 27,645.09 = 11,080.00 : x
  2. Step 2: Convert to fraction form
    20,032.32/27,645.09 = 11,080.00/x
  3. Step 3: Cross multiply
    20,032.32x = 27,645.09 × 11,080.00
  4. Step 4: Simplify right side
    20,032.32x = 306,307,590.21
  5. Step 5: Solve for x
    x = 306,307,590.21/20,032.32
  6. Step 6: Final answer
    x = 15,290.67

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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.