Home / 28,214.46-42,316.34-14,170.73

Finding the Fourth Proportional to 28,214.46, 42,316.34 and 14,170.73

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Solution

The fourth proportional to 28,214.46, 42,316.34 and 14,170.73 is: 21,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.46 : 42,316.34 = 14,170.73 : x
  2. Step 2: Convert to fraction form
    28,214.46/42,316.34 = 14,170.73/x
  3. Step 3: Cross multiply
    28,214.46x = 42,316.34 × 14,170.73
  4. Step 4: Simplify right side
    28,214.46x = 599,653,146.29
  5. Step 5: Solve for x
    x = 599,653,146.29/28,214.46
  6. Step 6: Final answer
    x = 21,253.40

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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.