Home / 28,364.97-39,141.26-16,721.33

Finding the Fourth Proportional to 28,364.97, 39,141.26 and 16,721.33

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Solution

The fourth proportional to 28,364.97, 39,141.26 and 16,721.33 is: 23,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.97 : 39,141.26 = 16,721.33 : x
  2. Step 2: Convert to fraction form
    28,364.97/39,141.26 = 16,721.33/x
  3. Step 3: Cross multiply
    28,364.97x = 39,141.26 × 16,721.33
  4. Step 4: Simplify right side
    28,364.97x = 654,493,925.08
  5. Step 5: Solve for x
    x = 654,493,925.08/28,364.97
  6. Step 6: Final answer
    x = 23,074.02

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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.