Home / 27,948-41,926.32-10,420.32

Finding the Fourth Proportional to 27,948, 41,926.32 and 10,420.32

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Solution

The fourth proportional to 27,948, 41,926.32 and 10,420.32 is: 15,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948 : 41,926.32 = 10,420.32 : x
  2. Step 2: Convert to fraction form
    27,948/41,926.32 = 10,420.32/x
  3. Step 3: Cross multiply
    27,948x = 41,926.32 × 10,420.32
  4. Step 4: Simplify right side
    27,948x = 436,885,670.82
  5. Step 5: Solve for x
    x = 436,885,670.82/27,948
  6. Step 6: Final answer
    x = 15,632.09

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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.