Home / 28,845.31-39,813.75-16,277.35

Finding the Fourth Proportional to 28,845.31, 39,813.75 and 16,277.35

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Solution

The fourth proportional to 28,845.31, 39,813.75 and 16,277.35 is: 22,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.31 : 39,813.75 = 16,277.35 : x
  2. Step 2: Convert to fraction form
    28,845.31/39,813.75 = 16,277.35/x
  3. Step 3: Cross multiply
    28,845.31x = 39,813.75 × 16,277.35
  4. Step 4: Simplify right side
    28,845.31x = 648,062,343.56
  5. Step 5: Solve for x
    x = 648,062,343.56/28,845.31
  6. Step 6: Final answer
    x = 22,466.82

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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.