Home / 28,693.84-43,055.34-13,109.44

Finding the Fourth Proportional to 28,693.84, 43,055.34 and 13,109.44

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Solution

The fourth proportional to 28,693.84, 43,055.34 and 13,109.44 is: 19,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.84 : 43,055.34 = 13,109.44 : x
  2. Step 2: Convert to fraction form
    28,693.84/43,055.34 = 13,109.44/x
  3. Step 3: Cross multiply
    28,693.84x = 43,055.34 × 13,109.44
  4. Step 4: Simplify right side
    28,693.84x = 564,431,396.41
  5. Step 5: Solve for x
    x = 564,431,396.41/28,693.84
  6. Step 6: Final answer
    x = 19,670.82

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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.