Home / 28,996.74-40,034.77-22,270.35

Finding the Fourth Proportional to 28,996.74, 40,034.77 and 22,270.35

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Solution

The fourth proportional to 28,996.74, 40,034.77 and 22,270.35 is: 30,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.74 : 40,034.77 = 22,270.35 : x
  2. Step 2: Convert to fraction form
    28,996.74/40,034.77 = 22,270.35/x
  3. Step 3: Cross multiply
    28,996.74x = 40,034.77 × 22,270.35
  4. Step 4: Simplify right side
    28,996.74x = 891,588,139.90
  5. Step 5: Solve for x
    x = 891,588,139.90/28,996.74
  6. Step 6: Final answer
    x = 30,747.88

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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.