Home / 28,996.19-40,034.03-22,269.80

Finding the Fourth Proportional to 28,996.19, 40,034.03 and 22,269.80

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Solution

The fourth proportional to 28,996.19, 40,034.03 and 22,269.80 is: 30,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.19 : 40,034.03 = 22,269.80 : x
  2. Step 2: Convert to fraction form
    28,996.19/40,034.03 = 22,269.80/x
  3. Step 3: Cross multiply
    28,996.19x = 40,034.03 × 22,269.80
  4. Step 4: Simplify right side
    28,996.19x = 891,549,955.30
  5. Step 5: Solve for x
    x = 891,549,955.30/28,996.19
  6. Step 6: Final answer
    x = 30,747.14

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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.