Home / 28,216.08-42,325.20-11,577.60

Finding the Fourth Proportional to 28,216.08, 42,325.20 and 11,577.60

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Solution

The fourth proportional to 28,216.08, 42,325.20 and 11,577.60 is: 17,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.08 : 42,325.20 = 11,577.60 : x
  2. Step 2: Convert to fraction form
    28,216.08/42,325.20 = 11,577.60/x
  3. Step 3: Cross multiply
    28,216.08x = 42,325.20 × 11,577.60
  4. Step 4: Simplify right side
    28,216.08x = 490,024,235.52
  5. Step 5: Solve for x
    x = 490,024,235.52/28,216.08
  6. Step 6: Final answer
    x = 17,366.84

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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.