Home / 25,605.58-38,381.98-9,806.30

Finding the Fourth Proportional to 25,605.58, 38,381.98 and 9,806.30

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Solution

The fourth proportional to 25,605.58, 38,381.98 and 9,806.30 is: 14,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.58 : 38,381.98 = 9,806.30 : x
  2. Step 2: Convert to fraction form
    25,605.58/38,381.98 = 9,806.30/x
  3. Step 3: Cross multiply
    25,605.58x = 38,381.98 × 9,806.30
  4. Step 4: Simplify right side
    25,605.58x = 376,385,161.44
  5. Step 5: Solve for x
    x = 376,385,161.44/25,605.58
  6. Step 6: Final answer
    x = 14,699.34

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1.5x scale

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.