Home / 27,220.08-40,831.64-8,502.70

Finding the Fourth Proportional to 27,220.08, 40,831.64 and 8,502.70

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Solution

The fourth proportional to 27,220.08, 40,831.64 and 8,502.70 is: 12,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.08 : 40,831.64 = 8,502.70 : x
  2. Step 2: Convert to fraction form
    27,220.08/40,831.64 = 8,502.70/x
  3. Step 3: Cross multiply
    27,220.08x = 40,831.64 × 8,502.70
  4. Step 4: Simplify right side
    27,220.08x = 347,179,185.43
  5. Step 5: Solve for x
    x = 347,179,185.43/27,220.08
  6. Step 6: Final answer
    x = 12,754.52

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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.