Home / 26,486.98-39,719.90-11,685.38

Finding the Fourth Proportional to 26,486.98, 39,719.90 and 11,685.38

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Solution

The fourth proportional to 26,486.98, 39,719.90 and 11,685.38 is: 17,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.98 : 39,719.90 = 11,685.38 : x
  2. Step 2: Convert to fraction form
    26,486.98/39,719.90 = 11,685.38/x
  3. Step 3: Cross multiply
    26,486.98x = 39,719.90 × 11,685.38
  4. Step 4: Simplify right side
    26,486.98x = 464,141,955.68
  5. Step 5: Solve for x
    x = 464,141,955.68/26,486.98
  6. Step 6: Final answer
    x = 17,523.40

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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.