Home / 28,930.56-39,927.87-16,184.45

Finding the Fourth Proportional to 28,930.56, 39,927.87 and 16,184.45

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Solution

The fourth proportional to 28,930.56, 39,927.87 and 16,184.45 is: 22,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.56 : 39,927.87 = 16,184.45 : x
  2. Step 2: Convert to fraction form
    28,930.56/39,927.87 = 16,184.45/x
  3. Step 3: Cross multiply
    28,930.56x = 39,927.87 × 16,184.45
  4. Step 4: Simplify right side
    28,930.56x = 646,210,615.62
  5. Step 5: Solve for x
    x = 646,210,615.62/28,930.56
  6. Step 6: Final answer
    x = 22,336.61

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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.