Home / 28,492.20-42,762.60-22,951.80

Finding the Fourth Proportional to 28,492.20, 42,762.60 and 22,951.80

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Solution

The fourth proportional to 28,492.20, 42,762.60 and 22,951.80 is: 34,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.20 : 42,762.60 = 22,951.80 : x
  2. Step 2: Convert to fraction form
    28,492.20/42,762.60 = 22,951.80/x
  3. Step 3: Cross multiply
    28,492.20x = 42,762.60 × 22,951.80
  4. Step 4: Simplify right side
    28,492.20x = 981,478,642.68
  5. Step 5: Solve for x
    x = 981,478,642.68/28,492.20
  6. Step 6: Final answer
    x = 34,447.27

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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.