Home / 28,440.45-42,613.38-17,313.48

Finding the Fourth Proportional to 28,440.45, 42,613.38 and 17,313.48

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Solution

The fourth proportional to 28,440.45, 42,613.38 and 17,313.48 is: 25,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.45 : 42,613.38 = 17,313.48 : x
  2. Step 2: Convert to fraction form
    28,440.45/42,613.38 = 17,313.48/x
  3. Step 3: Cross multiply
    28,440.45x = 42,613.38 × 17,313.48
  4. Step 4: Simplify right side
    28,440.45x = 737,785,902.36
  5. Step 5: Solve for x
    x = 737,785,902.36/28,440.45
  6. Step 6: Final answer
    x = 25,941.43

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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.