Home / 28,995.49-40,033.05-22,269.09

Finding the Fourth Proportional to 28,995.49, 40,033.05 and 22,269.09

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Solution

The fourth proportional to 28,995.49, 40,033.05 and 22,269.09 is: 30,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.49 : 40,033.05 = 22,269.09 : x
  2. Step 2: Convert to fraction form
    28,995.49/40,033.05 = 22,269.09/x
  3. Step 3: Cross multiply
    28,995.49x = 40,033.05 × 22,269.09
  4. Step 4: Simplify right side
    28,995.49x = 891,499,660.04
  5. Step 5: Solve for x
    x = 891,499,660.04/28,995.49
  6. Step 6: Final answer
    x = 30,746.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.