Home / 28,311.24-42,466.14-13,530.60

Finding the Fourth Proportional to 28,311.24, 42,466.14 and 13,530.60

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Solution

The fourth proportional to 28,311.24, 42,466.14 and 13,530.60 is: 20,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311.24 : 42,466.14 = 13,530.60 : x
  2. Step 2: Convert to fraction form
    28,311.24/42,466.14 = 13,530.60/x
  3. Step 3: Cross multiply
    28,311.24x = 42,466.14 × 13,530.60
  4. Step 4: Simplify right side
    28,311.24x = 574,592,353.88
  5. Step 5: Solve for x
    x = 574,592,353.88/28,311.24
  6. Step 6: Final answer
    x = 20,295.56

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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.