Home / 28,274.56-42,420.32-17,042.08

Finding the Fourth Proportional to 28,274.56, 42,420.32 and 17,042.08

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Solution

The fourth proportional to 28,274.56, 42,420.32 and 17,042.08 is: 25,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274.56 : 42,420.32 = 17,042.08 : x
  2. Step 2: Convert to fraction form
    28,274.56/42,420.32 = 17,042.08/x
  3. Step 3: Cross multiply
    28,274.56x = 42,420.32 × 17,042.08
  4. Step 4: Simplify right side
    28,274.56x = 722,930,487.07
  5. Step 5: Solve for x
    x = 722,930,487.07/28,274.56
  6. Step 6: Final answer
    x = 25,568.23

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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.