Home / 28,274.97-42,427.04-11,647.29

Finding the Fourth Proportional to 28,274.97, 42,427.04 and 11,647.29

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Solution

The fourth proportional to 28,274.97, 42,427.04 and 11,647.29 is: 17,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274.97 : 42,427.04 = 11,647.29 : x
  2. Step 2: Convert to fraction form
    28,274.97/42,427.04 = 11,647.29/x
  3. Step 3: Cross multiply
    28,274.97x = 42,427.04 × 11,647.29
  4. Step 4: Simplify right side
    28,274.97x = 494,160,038.72
  5. Step 5: Solve for x
    x = 494,160,038.72/28,274.97
  6. Step 6: Final answer
    x = 17,476.94

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1.5x scale

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.