Home / 22,746.40-34,081.20-18,829.60

Finding the Fourth Proportional to 22,746.40, 34,081.20 and 18,829.60

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Solution

The fourth proportional to 22,746.40, 34,081.20 and 18,829.60 is: 28,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.40 : 34,081.20 = 18,829.60 : x
  2. Step 2: Convert to fraction form
    22,746.40/34,081.20 = 18,829.60/x
  3. Step 3: Cross multiply
    22,746.40x = 34,081.20 × 18,829.60
  4. Step 4: Simplify right side
    22,746.40x = 641,735,363.52
  5. Step 5: Solve for x
    x = 641,735,363.52/22,746.40
  6. Step 6: Final answer
    x = 28,212.61

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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.