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Finding the Fourth Proportional to 53,256, 79,884 and 16,320

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Solution

The fourth proportional to 53,256, 79,884 and 16,320 is: 24,480

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,256 : 79,884 = 16,320 : x
  2. Step 2: Convert to fraction form
    53,256/79,884 = 16,320/x
  3. Step 3: Cross multiply
    53,256x = 79,884 × 16,320
  4. Step 4: Simplify right side
    53,256x = 1,303,706,880
  5. Step 5: Solve for x
    x = 1,303,706,880/53,256
  6. Step 6: Final answer
    x = 24,480

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.