Home / 27,140.60-40,718.10-9,608.60

Finding the Fourth Proportional to 27,140.60, 40,718.10 and 9,608.60

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Solution

The fourth proportional to 27,140.60, 40,718.10 and 9,608.60 is: 14,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.60 : 40,718.10 = 9,608.60 : x
  2. Step 2: Convert to fraction form
    27,140.60/40,718.10 = 9,608.60/x
  3. Step 3: Cross multiply
    27,140.60x = 40,718.10 × 9,608.60
  4. Step 4: Simplify right side
    27,140.60x = 391,243,935.66
  5. Step 5: Solve for x
    x = 391,243,935.66/27,140.60
  6. Step 6: Final answer
    x = 14,415.45

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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.