Home / 28,626.72-42,940.08-14,766

Finding the Fourth Proportional to 28,626.72, 42,940.08 and 14,766

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Solution

The fourth proportional to 28,626.72, 42,940.08 and 14,766 is: 22,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.72 : 42,940.08 = 14,766 : x
  2. Step 2: Convert to fraction form
    28,626.72/42,940.08 = 14,766/x
  3. Step 3: Cross multiply
    28,626.72x = 42,940.08 × 14,766
  4. Step 4: Simplify right side
    28,626.72x = 634,053,221.28
  5. Step 5: Solve for x
    x = 634,053,221.28/28,626.72
  6. Step 6: Final answer
    x = 22,149.00

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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.