Home / 20,031.63-27,645.72-11,534.04

Finding the Fourth Proportional to 20,031.63, 27,645.72 and 11,534.04

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Solution

The fourth proportional to 20,031.63, 27,645.72 and 11,534.04 is: 15,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.63 : 27,645.72 = 11,534.04 : x
  2. Step 2: Convert to fraction form
    20,031.63/27,645.72 = 11,534.04/x
  3. Step 3: Cross multiply
    20,031.63x = 27,645.72 × 11,534.04
  4. Step 4: Simplify right side
    20,031.63x = 318,866,840.31
  5. Step 5: Solve for x
    x = 318,866,840.31/20,031.63
  6. Step 6: Final answer
    x = 15,918.17

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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.