Home / 27,000.45-40,512.96-13,862.04

Finding the Fourth Proportional to 27,000.45, 40,512.96 and 13,862.04

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Solution

The fourth proportional to 27,000.45, 40,512.96 and 13,862.04 is: 20,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.45 : 40,512.96 = 13,862.04 : x
  2. Step 2: Convert to fraction form
    27,000.45/40,512.96 = 13,862.04/x
  3. Step 3: Cross multiply
    27,000.45x = 40,512.96 × 13,862.04
  4. Step 4: Simplify right side
    27,000.45x = 561,592,272.04
  5. Step 5: Solve for x
    x = 561,592,272.04/27,000.45
  6. Step 6: Final answer
    x = 20,799.37

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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.