Home / 27,314.04-40,990.50-21,080.28

Finding the Fourth Proportional to 27,314.04, 40,990.50 and 21,080.28

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Solution

The fourth proportional to 27,314.04, 40,990.50 and 21,080.28 is: 31,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,314.04 : 40,990.50 = 21,080.28 : x
  2. Step 2: Convert to fraction form
    27,314.04/40,990.50 = 21,080.28/x
  3. Step 3: Cross multiply
    27,314.04x = 40,990.50 × 21,080.28
  4. Step 4: Simplify right side
    27,314.04x = 864,091,217.34
  5. Step 5: Solve for x
    x = 864,091,217.34/27,314.04
  6. Step 6: Final answer
    x = 31,635.42

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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.