Home / 28,680.06-43,020.02-7,622.22

Finding the Fourth Proportional to 28,680.06, 43,020.02 and 7,622.22

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Solution

The fourth proportional to 28,680.06, 43,020.02 and 7,622.22 is: 11,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.06 : 43,020.02 = 7,622.22 : x
  2. Step 2: Convert to fraction form
    28,680.06/43,020.02 = 7,622.22/x
  3. Step 3: Cross multiply
    28,680.06x = 43,020.02 × 7,622.22
  4. Step 4: Simplify right side
    28,680.06x = 327,908,056.84
  5. Step 5: Solve for x
    x = 327,908,056.84/28,680.06
  6. Step 6: Final answer
    x = 11,433.31

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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.