Home / 28,476.71-42,699.06-11,825.54

Finding the Fourth Proportional to 28,476.71, 42,699.06 and 11,825.54

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Solution

The fourth proportional to 28,476.71, 42,699.06 and 11,825.54 is: 17,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.71 : 42,699.06 = 11,825.54 : x
  2. Step 2: Convert to fraction form
    28,476.71/42,699.06 = 11,825.54/x
  3. Step 3: Cross multiply
    28,476.71x = 42,699.06 × 11,825.54
  4. Step 4: Simplify right side
    28,476.71x = 504,939,228.50
  5. Step 5: Solve for x
    x = 504,939,228.50/28,476.71
  6. Step 6: Final answer
    x = 17,731.66

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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.