Home / 17,998.50-24,877.26-15,857.67

Finding the Fourth Proportional to 17,998.50, 24,877.26 and 15,857.67

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Solution

The fourth proportional to 17,998.50, 24,877.26 and 15,857.67 is: 21,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.50 : 24,877.26 = 15,857.67 : x
  2. Step 2: Convert to fraction form
    17,998.50/24,877.26 = 15,857.67/x
  3. Step 3: Cross multiply
    17,998.50x = 24,877.26 × 15,857.67
  4. Step 4: Simplify right side
    17,998.50x = 394,495,379.58
  5. Step 5: Solve for x
    x = 394,495,379.58/17,998.50
  6. Step 6: Final answer
    x = 21,918.24

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1.5x scale

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.