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Finding the Fourth Proportional to 28,737, 43,105.45 and 9,017.07

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Solution

The fourth proportional to 28,737, 43,105.45 and 9,017.07 is: 13,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737 : 43,105.45 = 9,017.07 : x
  2. Step 2: Convert to fraction form
    28,737/43,105.45 = 9,017.07/x
  3. Step 3: Cross multiply
    28,737x = 43,105.45 × 9,017.07
  4. Step 4: Simplify right side
    28,737x = 388,684,860.03
  5. Step 5: Solve for x
    x = 388,684,860.03/28,737
  6. Step 6: Final answer
    x = 13,525.59

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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.