Home / 28,924.60-43,386.90-17,795.20

Finding the Fourth Proportional to 28,924.60, 43,386.90 and 17,795.20

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Solution

The fourth proportional to 28,924.60, 43,386.90 and 17,795.20 is: 26,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.60 : 43,386.90 = 17,795.20 : x
  2. Step 2: Convert to fraction form
    28,924.60/43,386.90 = 17,795.20/x
  3. Step 3: Cross multiply
    28,924.60x = 43,386.90 × 17,795.20
  4. Step 4: Simplify right side
    28,924.60x = 772,078,562.88
  5. Step 5: Solve for x
    x = 772,078,562.88/28,924.60
  6. Step 6: Final answer
    x = 26,692.80

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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.