Home / 28,786.06-39,723.24-16,210

Finding the Fourth Proportional to 28,786.06, 39,723.24 and 16,210

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Solution

The fourth proportional to 28,786.06, 39,723.24 and 16,210 is: 22,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.06 : 39,723.24 = 16,210 : x
  2. Step 2: Convert to fraction form
    28,786.06/39,723.24 = 16,210/x
  3. Step 3: Cross multiply
    28,786.06x = 39,723.24 × 16,210
  4. Step 4: Simplify right side
    28,786.06x = 643,913,720.40
  5. Step 5: Solve for x
    x = 643,913,720.40/28,786.06
  6. Step 6: Final answer
    x = 22,368.94

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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.