Home / 28,835.80-43,253.70-17,812.60

Finding the Fourth Proportional to 28,835.80, 43,253.70 and 17,812.60

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Solution

The fourth proportional to 28,835.80, 43,253.70 and 17,812.60 is: 26,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.80 : 43,253.70 = 17,812.60 : x
  2. Step 2: Convert to fraction form
    28,835.80/43,253.70 = 17,812.60/x
  3. Step 3: Cross multiply
    28,835.80x = 43,253.70 × 17,812.60
  4. Step 4: Simplify right side
    28,835.80x = 770,460,856.62
  5. Step 5: Solve for x
    x = 770,460,856.62/28,835.80
  6. Step 6: Final answer
    x = 26,718.90

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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.