Home / 28,679.07-43,045.98-17,607.38

Finding the Fourth Proportional to 28,679.07, 43,045.98 and 17,607.38

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Solution

The fourth proportional to 28,679.07, 43,045.98 and 17,607.38 is: 26,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.07 : 43,045.98 = 17,607.38 : x
  2. Step 2: Convert to fraction form
    28,679.07/43,045.98 = 17,607.38/x
  3. Step 3: Cross multiply
    28,679.07x = 43,045.98 × 17,607.38
  4. Step 4: Simplify right side
    28,679.07x = 757,926,888.21
  5. Step 5: Solve for x
    x = 757,926,888.21/28,679.07
  6. Step 6: Final answer
    x = 26,427.88

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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.