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Finding the Fourth Proportional to 15,544, 23,316.80 and 14,756.64

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Solution

The fourth proportional to 15,544, 23,316.80 and 14,756.64 is: 22,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544 : 23,316.80 = 14,756.64 : x
  2. Step 2: Convert to fraction form
    15,544/23,316.80 = 14,756.64/x
  3. Step 3: Cross multiply
    15,544x = 23,316.80 × 14,756.64
  4. Step 4: Simplify right side
    15,544x = 344,077,623.55
  5. Step 5: Solve for x
    x = 344,077,623.55/15,544
  6. Step 6: Final answer
    x = 22,135.72

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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.