Home / 19,288.20-28,932.30-8,894.28

Finding the Fourth Proportional to 19,288.20, 28,932.30 and 8,894.28

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Solution

The fourth proportional to 19,288.20, 28,932.30 and 8,894.28 is: 13,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.20 : 28,932.30 = 8,894.28 : x
  2. Step 2: Convert to fraction form
    19,288.20/28,932.30 = 8,894.28/x
  3. Step 3: Cross multiply
    19,288.20x = 28,932.30 × 8,894.28
  4. Step 4: Simplify right side
    19,288.20x = 257,331,977.24
  5. Step 5: Solve for x
    x = 257,331,977.24/19,288.20
  6. Step 6: Final answer
    x = 13,341.42

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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.