Home / 27,172.32-40,743.12-16,080.48

Finding the Fourth Proportional to 27,172.32, 40,743.12 and 16,080.48

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Solution

The fourth proportional to 27,172.32, 40,743.12 and 16,080.48 is: 24,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.32 : 40,743.12 = 16,080.48 : x
  2. Step 2: Convert to fraction form
    27,172.32/40,743.12 = 16,080.48/x
  3. Step 3: Cross multiply
    27,172.32x = 40,743.12 × 16,080.48
  4. Step 4: Simplify right side
    27,172.32x = 655,168,926.30
  5. Step 5: Solve for x
    x = 655,168,926.30/27,172.32
  6. Step 6: Final answer
    x = 24,111.63

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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.