Home / 28,232.21-42,311.37-11,572.74

Finding the Fourth Proportional to 28,232.21, 42,311.37 and 11,572.74

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Solution

The fourth proportional to 28,232.21, 42,311.37 and 11,572.74 is: 17,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.21 : 42,311.37 = 11,572.74 : x
  2. Step 2: Convert to fraction form
    28,232.21/42,311.37 = 11,572.74/x
  3. Step 3: Cross multiply
    28,232.21x = 42,311.37 × 11,572.74
  4. Step 4: Simplify right side
    28,232.21x = 489,658,272.50
  5. Step 5: Solve for x
    x = 489,658,272.50/28,232.21
  6. Step 6: Final answer
    x = 17,343.96

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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.