Home / 19,068.28-28,602.83-13,422.88

Finding the Fourth Proportional to 19,068.28, 28,602.83 and 13,422.88

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Solution

The fourth proportional to 19,068.28, 28,602.83 and 13,422.88 is: 20,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.28 : 28,602.83 = 13,422.88 : x
  2. Step 2: Convert to fraction form
    19,068.28/28,602.83 = 13,422.88/x
  3. Step 3: Cross multiply
    19,068.28x = 28,602.83 × 13,422.88
  4. Step 4: Simplify right side
    19,068.28x = 383,932,316.80
  5. Step 5: Solve for x
    x = 383,932,316.80/19,068.28
  6. Step 6: Final answer
    x = 20,134.61

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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.