Home / 26,860.65-40,274.69-10,221.81

Finding the Fourth Proportional to 26,860.65, 40,274.69 and 10,221.81

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Solution

The fourth proportional to 26,860.65, 40,274.69 and 10,221.81 is: 15,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.65 : 40,274.69 = 10,221.81 : x
  2. Step 2: Convert to fraction form
    26,860.65/40,274.69 = 10,221.81/x
  3. Step 3: Cross multiply
    26,860.65x = 40,274.69 × 10,221.81
  4. Step 4: Simplify right side
    26,860.65x = 411,680,177.88
  5. Step 5: Solve for x
    x = 411,680,177.88/26,860.65
  6. Step 6: Final answer
    x = 15,326.52

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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.