Home / 28,072.73-38,730.39-18,006.59

Finding the Fourth Proportional to 28,072.73, 38,730.39 and 18,006.59

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Solution

The fourth proportional to 28,072.73, 38,730.39 and 18,006.59 is: 24,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.73 : 38,730.39 = 18,006.59 : x
  2. Step 2: Convert to fraction form
    28,072.73/38,730.39 = 18,006.59/x
  3. Step 3: Cross multiply
    28,072.73x = 38,730.39 × 18,006.59
  4. Step 4: Simplify right side
    28,072.73x = 697,402,059.62
  5. Step 5: Solve for x
    x = 697,402,059.62/28,072.73
  6. Step 6: Final answer
    x = 24,842.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.