Home / 26,688.72-40,023.48-9,153.84

Finding the Fourth Proportional to 26,688.72, 40,023.48 and 9,153.84

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Solution

The fourth proportional to 26,688.72, 40,023.48 and 9,153.84 is: 13,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.72 : 40,023.48 = 9,153.84 : x
  2. Step 2: Convert to fraction form
    26,688.72/40,023.48 = 9,153.84/x
  3. Step 3: Cross multiply
    26,688.72x = 40,023.48 × 9,153.84
  4. Step 4: Simplify right side
    26,688.72x = 366,368,532.16
  5. Step 5: Solve for x
    x = 366,368,532.16/26,688.72
  6. Step 6: Final answer
    x = 13,727.47

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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.