Home / 28,912.04-43,364.20-7,853.52

Finding the Fourth Proportional to 28,912.04, 43,364.20 and 7,853.52

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Solution

The fourth proportional to 28,912.04, 43,364.20 and 7,853.52 is: 11,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.04 : 43,364.20 = 7,853.52 : x
  2. Step 2: Convert to fraction form
    28,912.04/43,364.20 = 7,853.52/x
  3. Step 3: Cross multiply
    28,912.04x = 43,364.20 × 7,853.52
  4. Step 4: Simplify right side
    28,912.04x = 340,561,611.98
  5. Step 5: Solve for x
    x = 340,561,611.98/28,912.04
  6. Step 6: Final answer
    x = 11,779.23

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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.