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Finding the Fourth Proportional to 27,168.40, 40,752.60 and 23,523.40

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Solution

The fourth proportional to 27,168.40, 40,752.60 and 23,523.40 is: 35,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.40 : 40,752.60 = 23,523.40 : x
  2. Step 2: Convert to fraction form
    27,168.40/40,752.60 = 23,523.40/x
  3. Step 3: Cross multiply
    27,168.40x = 40,752.60 × 23,523.40
  4. Step 4: Simplify right side
    27,168.40x = 958,639,710.84
  5. Step 5: Solve for x
    x = 958,639,710.84/27,168.40
  6. Step 6: Final answer
    x = 35,285.10

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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.