Home / 27,240.27-40,857.35-7,521.63

Finding the Fourth Proportional to 27,240.27, 40,857.35 and 7,521.63

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Solution

The fourth proportional to 27,240.27, 40,857.35 and 7,521.63 is: 11,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.27 : 40,857.35 = 7,521.63 : x
  2. Step 2: Convert to fraction form
    27,240.27/40,857.35 = 7,521.63/x
  3. Step 3: Cross multiply
    27,240.27x = 40,857.35 × 7,521.63
  4. Step 4: Simplify right side
    27,240.27x = 307,313,831.87
  5. Step 5: Solve for x
    x = 307,313,831.87/27,240.27
  6. Step 6: Final answer
    x = 11,281.60

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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.