Home / 28,511.70-42,737.30-10,973.94

Finding the Fourth Proportional to 28,511.70, 42,737.30 and 10,973.94

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Solution

The fourth proportional to 28,511.70, 42,737.30 and 10,973.94 is: 16,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511.70 : 42,737.30 = 10,973.94 : x
  2. Step 2: Convert to fraction form
    28,511.70/42,737.30 = 10,973.94/x
  3. Step 3: Cross multiply
    28,511.70x = 42,737.30 × 10,973.94
  4. Step 4: Simplify right side
    28,511.70x = 468,996,565.96
  5. Step 5: Solve for x
    x = 468,996,565.96/28,511.70
  6. Step 6: Final answer
    x = 16,449.27

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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.