Home / 28,846.29-39,807.69-16,745.81

Finding the Fourth Proportional to 28,846.29, 39,807.69 and 16,745.81

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Solution

The fourth proportional to 28,846.29, 39,807.69 and 16,745.81 is: 23,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.29 : 39,807.69 = 16,745.81 : x
  2. Step 2: Convert to fraction form
    28,846.29/39,807.69 = 16,745.81/x
  3. Step 3: Cross multiply
    28,846.29x = 39,807.69 × 16,745.81
  4. Step 4: Simplify right side
    28,846.29x = 666,611,751.44
  5. Step 5: Solve for x
    x = 666,611,751.44/28,846.29
  6. Step 6: Final answer
    x = 23,109.10

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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.