Home / 28,553.06-42,834.82-8,830.28

Finding the Fourth Proportional to 28,553.06, 42,834.82 and 8,830.28

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Solution

The fourth proportional to 28,553.06, 42,834.82 and 8,830.28 is: 13,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.06 : 42,834.82 = 8,830.28 : x
  2. Step 2: Convert to fraction form
    28,553.06/42,834.82 = 8,830.28/x
  3. Step 3: Cross multiply
    28,553.06x = 42,834.82 × 8,830.28
  4. Step 4: Simplify right side
    28,553.06x = 378,243,454.35
  5. Step 5: Solve for x
    x = 378,243,454.35/28,553.06
  6. Step 6: Final answer
    x = 13,247.04

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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.