Home / 28,435.09-39,243.09-16,337.29

Finding the Fourth Proportional to 28,435.09, 39,243.09 and 16,337.29

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Solution

The fourth proportional to 28,435.09, 39,243.09 and 16,337.29 is: 22,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.09 : 39,243.09 = 16,337.29 : x
  2. Step 2: Convert to fraction form
    28,435.09/39,243.09 = 16,337.29/x
  3. Step 3: Cross multiply
    28,435.09x = 39,243.09 × 16,337.29
  4. Step 4: Simplify right side
    28,435.09x = 641,125,741.83
  5. Step 5: Solve for x
    x = 641,125,741.83/28,435.09
  6. Step 6: Final answer
    x = 22,546.99

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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.