Home / 28,910.06-39,895.36-16,334.54

Finding the Fourth Proportional to 28,910.06, 39,895.36 and 16,334.54

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Solution

The fourth proportional to 28,910.06, 39,895.36 and 16,334.54 is: 22,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.06 : 39,895.36 = 16,334.54 : x
  2. Step 2: Convert to fraction form
    28,910.06/39,895.36 = 16,334.54/x
  3. Step 3: Cross multiply
    28,910.06x = 39,895.36 × 16,334.54
  4. Step 4: Simplify right side
    28,910.06x = 651,672,113.42
  5. Step 5: Solve for x
    x = 651,672,113.42/28,910.06
  6. Step 6: Final answer
    x = 22,541.37

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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.