Home / 28,910.18-39,895.53-16,334.66

Finding the Fourth Proportional to 28,910.18, 39,895.53 and 16,334.66

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Solution

The fourth proportional to 28,910.18, 39,895.53 and 16,334.66 is: 22,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.18 : 39,895.53 = 16,334.66 : x
  2. Step 2: Convert to fraction form
    28,910.18/39,895.53 = 16,334.66/x
  3. Step 3: Cross multiply
    28,910.18x = 39,895.53 × 16,334.66
  4. Step 4: Simplify right side
    28,910.18x = 651,679,918.07
  5. Step 5: Solve for x
    x = 651,679,918.07/28,910.18
  6. Step 6: Final answer
    x = 22,541.54

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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.