Home / 28,880.55-43,396.97-15,563.43

Finding the Fourth Proportional to 28,880.55, 43,396.97 and 15,563.43

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Solution

The fourth proportional to 28,880.55, 43,396.97 and 15,563.43 is: 23,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.55 : 43,396.97 = 15,563.43 : x
  2. Step 2: Convert to fraction form
    28,880.55/43,396.97 = 15,563.43/x
  3. Step 3: Cross multiply
    28,880.55x = 43,396.97 × 15,563.43
  4. Step 4: Simplify right side
    28,880.55x = 675,405,626.99
  5. Step 5: Solve for x
    x = 675,405,626.99/28,880.55
  6. Step 6: Final answer
    x = 23,386.18

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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.