Home / 28,675.71-39,579.99-16,104.51

Finding the Fourth Proportional to 28,675.71, 39,579.99 and 16,104.51

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Solution

The fourth proportional to 28,675.71, 39,579.99 and 16,104.51 is: 22,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.71 : 39,579.99 = 16,104.51 : x
  2. Step 2: Convert to fraction form
    28,675.71/39,579.99 = 16,104.51/x
  3. Step 3: Cross multiply
    28,675.71x = 39,579.99 × 16,104.51
  4. Step 4: Simplify right side
    28,675.71x = 637,416,344.75
  5. Step 5: Solve for x
    x = 637,416,344.75/28,675.71
  6. Step 6: Final answer
    x = 22,228.44

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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.