Home / 25,000.49-34,503.72-14,389.90

Finding the Fourth Proportional to 25,000.49, 34,503.72 and 14,389.90

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Solution

The fourth proportional to 25,000.49, 34,503.72 and 14,389.90 is: 19,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.49 : 34,503.72 = 14,389.90 : x
  2. Step 2: Convert to fraction form
    25,000.49/34,503.72 = 14,389.90/x
  3. Step 3: Cross multiply
    25,000.49x = 34,503.72 × 14,389.90
  4. Step 4: Simplify right side
    25,000.49x = 496,505,080.43
  5. Step 5: Solve for x
    x = 496,505,080.43/25,000.49
  6. Step 6: Final answer
    x = 19,859.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.