Home / 28,623.36-39,496.50-16,688.82

Finding the Fourth Proportional to 28,623.36, 39,496.50 and 16,688.82

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Solution

The fourth proportional to 28,623.36, 39,496.50 and 16,688.82 is: 23,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.36 : 39,496.50 = 16,688.82 : x
  2. Step 2: Convert to fraction form
    28,623.36/39,496.50 = 16,688.82/x
  3. Step 3: Cross multiply
    28,623.36x = 39,496.50 × 16,688.82
  4. Step 4: Simplify right side
    28,623.36x = 659,149,979.13
  5. Step 5: Solve for x
    x = 659,149,979.13/28,623.36
  6. Step 6: Final answer
    x = 23,028.39

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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.