Home / 28,822.53-39,783.96-16,889.72

Finding the Fourth Proportional to 28,822.53, 39,783.96 and 16,889.72

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Solution

The fourth proportional to 28,822.53, 39,783.96 and 16,889.72 is: 23,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.53 : 39,783.96 = 16,889.72 : x
  2. Step 2: Convert to fraction form
    28,822.53/39,783.96 = 16,889.72/x
  3. Step 3: Cross multiply
    28,822.53x = 39,783.96 × 16,889.72
  4. Step 4: Simplify right side
    28,822.53x = 671,939,745.97
  5. Step 5: Solve for x
    x = 671,939,745.97/28,822.53
  6. Step 6: Final answer
    x = 23,313.00

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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.