Home / 27,739.74-38,281.60-16,984.41

Finding the Fourth Proportional to 27,739.74, 38,281.60 and 16,984.41

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Solution

The fourth proportional to 27,739.74, 38,281.60 and 16,984.41 is: 23,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,739.74 : 38,281.60 = 16,984.41 : x
  2. Step 2: Convert to fraction form
    27,739.74/38,281.60 = 16,984.41/x
  3. Step 3: Cross multiply
    27,739.74x = 38,281.60 × 16,984.41
  4. Step 4: Simplify right side
    27,739.74x = 650,190,389.86
  5. Step 5: Solve for x
    x = 650,190,389.86/27,739.74
  6. Step 6: Final answer
    x = 23,438.95

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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.