Home / 28,974.53-39,985.82-17,038.98

Finding the Fourth Proportional to 28,974.53, 39,985.82 and 17,038.98

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Solution

The fourth proportional to 28,974.53, 39,985.82 and 17,038.98 is: 23,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.53 : 39,985.82 = 17,038.98 : x
  2. Step 2: Convert to fraction form
    28,974.53/39,985.82 = 17,038.98/x
  3. Step 3: Cross multiply
    28,974.53x = 39,985.82 × 17,038.98
  4. Step 4: Simplify right side
    28,974.53x = 681,317,502.07
  5. Step 5: Solve for x
    x = 681,317,502.07/28,974.53
  6. Step 6: Final answer
    x = 23,514.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.