Home / 28,907.55-43,361.46-12,263.40

Finding the Fourth Proportional to 28,907.55, 43,361.46 and 12,263.40

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Solution

The fourth proportional to 28,907.55, 43,361.46 and 12,263.40 is: 18,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.55 : 43,361.46 = 12,263.40 : x
  2. Step 2: Convert to fraction form
    28,907.55/43,361.46 = 12,263.40/x
  3. Step 3: Cross multiply
    28,907.55x = 43,361.46 × 12,263.40
  4. Step 4: Simplify right side
    28,907.55x = 531,758,928.56
  5. Step 5: Solve for x
    x = 531,758,928.56/28,907.55
  6. Step 6: Final answer
    x = 18,395.16

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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.