Home / 28,027.81-42,040.50-6,967.41

Finding the Fourth Proportional to 28,027.81, 42,040.50 and 6,967.41

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Solution

The fourth proportional to 28,027.81, 42,040.50 and 6,967.41 is: 10,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.81 : 42,040.50 = 6,967.41 : x
  2. Step 2: Convert to fraction form
    28,027.81/42,040.50 = 6,967.41/x
  3. Step 3: Cross multiply
    28,027.81x = 42,040.50 × 6,967.41
  4. Step 4: Simplify right side
    28,027.81x = 292,913,400.11
  5. Step 5: Solve for x
    x = 292,913,400.11/28,027.81
  6. Step 6: Final answer
    x = 10,450.81

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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.