Home / 28,539.30-42,816.24-11,004.42

Finding the Fourth Proportional to 28,539.30, 42,816.24 and 11,004.42

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Solution

The fourth proportional to 28,539.30, 42,816.24 and 11,004.42 is: 16,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.30 : 42,816.24 = 11,004.42 : x
  2. Step 2: Convert to fraction form
    28,539.30/42,816.24 = 11,004.42/x
  3. Step 3: Cross multiply
    28,539.30x = 42,816.24 × 11,004.42
  4. Step 4: Simplify right side
    28,539.30x = 471,167,887.78
  5. Step 5: Solve for x
    x = 471,167,887.78/28,539.30
  6. Step 6: Final answer
    x = 16,509.44

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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.