Home / 27,928.56-41,907.12-18,574.98

Finding the Fourth Proportional to 27,928.56, 41,907.12 and 18,574.98

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Solution

The fourth proportional to 27,928.56, 41,907.12 and 18,574.98 is: 27,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.56 : 41,907.12 = 18,574.98 : x
  2. Step 2: Convert to fraction form
    27,928.56/41,907.12 = 18,574.98/x
  3. Step 3: Cross multiply
    27,928.56x = 41,907.12 × 18,574.98
  4. Step 4: Simplify right side
    27,928.56x = 778,423,915.86
  5. Step 5: Solve for x
    x = 778,423,915.86/27,928.56
  6. Step 6: Final answer
    x = 27,871.97

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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.