Home / 28,801.35-39,746.66-16,865.19

Finding the Fourth Proportional to 28,801.35, 39,746.66 and 16,865.19

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Solution

The fourth proportional to 28,801.35, 39,746.66 and 16,865.19 is: 23,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.35 : 39,746.66 = 16,865.19 : x
  2. Step 2: Convert to fraction form
    28,801.35/39,746.66 = 16,865.19/x
  3. Step 3: Cross multiply
    28,801.35x = 39,746.66 × 16,865.19
  4. Step 4: Simplify right side
    28,801.35x = 670,334,888.44
  5. Step 5: Solve for x
    x = 670,334,888.44/28,801.35
  6. Step 6: Final answer
    x = 23,274.43

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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.