Home / 28,651.52-42,933.34-12,002.45

Finding the Fourth Proportional to 28,651.52, 42,933.34 and 12,002.45

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Solution

The fourth proportional to 28,651.52, 42,933.34 and 12,002.45 is: 17,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.52 : 42,933.34 = 12,002.45 : x
  2. Step 2: Convert to fraction form
    28,651.52/42,933.34 = 12,002.45/x
  3. Step 3: Cross multiply
    28,651.52x = 42,933.34 × 12,002.45
  4. Step 4: Simplify right side
    28,651.52x = 515,305,067.02
  5. Step 5: Solve for x
    x = 515,305,067.02/28,651.52
  6. Step 6: Final answer
    x = 17,985.26

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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.