Home / 28,647.08-42,970.30-22,873.48

Finding the Fourth Proportional to 28,647.08, 42,970.30 and 22,873.48

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Solution

The fourth proportional to 28,647.08, 42,970.30 and 22,873.48 is: 34,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.08 : 42,970.30 = 22,873.48 : x
  2. Step 2: Convert to fraction form
    28,647.08/42,970.30 = 22,873.48/x
  3. Step 3: Cross multiply
    28,647.08x = 42,970.30 × 22,873.48
  4. Step 4: Simplify right side
    28,647.08x = 982,880,297.64
  5. Step 5: Solve for x
    x = 982,880,297.64/28,647.08
  6. Step 6: Final answer
    x = 34,309.96

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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.