Home / 26,735.80-40,109.10-9,207.40

Finding the Fourth Proportional to 26,735.80, 40,109.10 and 9,207.40

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Solution

The fourth proportional to 26,735.80, 40,109.10 and 9,207.40 is: 13,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.80 : 40,109.10 = 9,207.40 : x
  2. Step 2: Convert to fraction form
    26,735.80/40,109.10 = 9,207.40/x
  3. Step 3: Cross multiply
    26,735.80x = 40,109.10 × 9,207.40
  4. Step 4: Simplify right side
    26,735.80x = 369,300,527.34
  5. Step 5: Solve for x
    x = 369,300,527.34/26,735.80
  6. Step 6: Final answer
    x = 13,812.96

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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.