Home / 18,949.65-28,486.74-17,579.53

Finding the Fourth Proportional to 18,949.65, 28,486.74 and 17,579.53

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Solution

The fourth proportional to 18,949.65, 28,486.74 and 17,579.53 is: 26,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.65 : 28,486.74 = 17,579.53 : x
  2. Step 2: Convert to fraction form
    18,949.65/28,486.74 = 17,579.53/x
  3. Step 3: Cross multiply
    18,949.65x = 28,486.74 × 17,579.53
  4. Step 4: Simplify right side
    18,949.65x = 500,783,503.08
  5. Step 5: Solve for x
    x = 500,783,503.08/18,949.65
  6. Step 6: Final answer
    x = 26,427.06

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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.