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Finding the Fourth Proportional to 24,411.60, 36,633.60 and 13,881.60

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Solution

The fourth proportional to 24,411.60, 36,633.60 and 13,881.60 is: 20,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,411.60 : 36,633.60 = 13,881.60 : x
  2. Step 2: Convert to fraction form
    24,411.60/36,633.60 = 13,881.60/x
  3. Step 3: Cross multiply
    24,411.60x = 36,633.60 × 13,881.60
  4. Step 4: Simplify right side
    24,411.60x = 508,532,981.76
  5. Step 5: Solve for x
    x = 508,532,981.76/24,411.60
  6. Step 6: Final answer
    x = 20,831.61

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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.