Home / 28,692.83-43,045.32-8,972.88

Finding the Fourth Proportional to 28,692.83, 43,045.32 and 8,972.88

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Solution

The fourth proportional to 28,692.83, 43,045.32 and 8,972.88 is: 13,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.83 : 43,045.32 = 8,972.88 : x
  2. Step 2: Convert to fraction form
    28,692.83/43,045.32 = 8,972.88/x
  3. Step 3: Cross multiply
    28,692.83x = 43,045.32 × 8,972.88
  4. Step 4: Simplify right side
    28,692.83x = 386,240,363.15
  5. Step 5: Solve for x
    x = 386,240,363.15/28,692.83
  6. Step 6: Final answer
    x = 13,461.21

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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.