Home / 28,644.07-42,903.91-17,517.02

Finding the Fourth Proportional to 28,644.07, 42,903.91 and 17,517.02

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Solution

The fourth proportional to 28,644.07, 42,903.91 and 17,517.02 is: 26,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.07 : 42,903.91 = 17,517.02 : x
  2. Step 2: Convert to fraction form
    28,644.07/42,903.91 = 17,517.02/x
  3. Step 3: Cross multiply
    28,644.07x = 42,903.91 × 17,517.02
  4. Step 4: Simplify right side
    28,644.07x = 751,548,818.93
  5. Step 5: Solve for x
    x = 751,548,818.93/28,644.07
  6. Step 6: Final answer
    x = 26,237.50

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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.