Home / 28,367.30-42,544.11-12,563.60

Finding the Fourth Proportional to 28,367.30, 42,544.11 and 12,563.60

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Solution

The fourth proportional to 28,367.30, 42,544.11 and 12,563.60 is: 18,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.30 : 42,544.11 = 12,563.60 : x
  2. Step 2: Convert to fraction form
    28,367.30/42,544.11 = 12,563.60/x
  3. Step 3: Cross multiply
    28,367.30x = 42,544.11 × 12,563.60
  4. Step 4: Simplify right side
    28,367.30x = 534,506,967.68
  5. Step 5: Solve for x
    x = 534,506,967.68/28,367.30
  6. Step 6: Final answer
    x = 18,842.37

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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.