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Finding the Fourth Proportional to 43,527, 65,295.30 and 13,937.88

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Solution

The fourth proportional to 43,527, 65,295.30 and 13,937.88 is: 20,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,527 : 65,295.30 = 13,937.88 : x
  2. Step 2: Convert to fraction form
    43,527/65,295.30 = 13,937.88/x
  3. Step 3: Cross multiply
    43,527x = 65,295.30 × 13,937.88
  4. Step 4: Simplify right side
    43,527x = 910,078,055.96
  5. Step 5: Solve for x
    x = 910,078,055.96/43,527
  6. Step 6: Final answer
    x = 20,908.36

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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.