Home / 27,172.58-40,743.68-13,837.23

Finding the Fourth Proportional to 27,172.58, 40,743.68 and 13,837.23

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Solution

The fourth proportional to 27,172.58, 40,743.68 and 13,837.23 is: 20,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.58 : 40,743.68 = 13,837.23 : x
  2. Step 2: Convert to fraction form
    27,172.58/40,743.68 = 13,837.23/x
  3. Step 3: Cross multiply
    27,172.58x = 40,743.68 × 13,837.23
  4. Step 4: Simplify right side
    27,172.58x = 563,779,602.02
  5. Step 5: Solve for x
    x = 563,779,602.02/27,172.58
  6. Step 6: Final answer
    x = 20,748.11

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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.