Home / 26,851.86-40,268.21-10,207.49

Finding the Fourth Proportional to 26,851.86, 40,268.21 and 10,207.49

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Solution

The fourth proportional to 26,851.86, 40,268.21 and 10,207.49 is: 15,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.86 : 40,268.21 = 10,207.49 : x
  2. Step 2: Convert to fraction form
    26,851.86/40,268.21 = 10,207.49/x
  3. Step 3: Cross multiply
    26,851.86x = 40,268.21 × 10,207.49
  4. Step 4: Simplify right side
    26,851.86x = 411,037,098.51
  5. Step 5: Solve for x
    x = 411,037,098.51/26,851.86
  6. Step 6: Final answer
    x = 15,307.58

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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.