Home / 25,063.20-34,563.40-14,990

Finding the Fourth Proportional to 25,063.20, 34,563.40 and 14,990

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Solution

The fourth proportional to 25,063.20, 34,563.40 and 14,990 is: 20,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,063.20 : 34,563.40 = 14,990 : x
  2. Step 2: Convert to fraction form
    25,063.20/34,563.40 = 14,990/x
  3. Step 3: Cross multiply
    25,063.20x = 34,563.40 × 14,990
  4. Step 4: Simplify right side
    25,063.20x = 518,105,366
  5. Step 5: Solve for x
    x = 518,105,366/25,063.20
  6. Step 6: Final answer
    x = 20,671.96

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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.