Home / 28,810.71-39,757.74-16,873.80

Finding the Fourth Proportional to 28,810.71, 39,757.74 and 16,873.80

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Solution

The fourth proportional to 28,810.71, 39,757.74 and 16,873.80 is: 23,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.71 : 39,757.74 = 16,873.80 : x
  2. Step 2: Convert to fraction form
    28,810.71/39,757.74 = 16,873.80/x
  3. Step 3: Cross multiply
    28,810.71x = 39,757.74 × 16,873.80
  4. Step 4: Simplify right side
    28,810.71x = 670,864,153.21
  5. Step 5: Solve for x
    x = 670,864,153.21/28,810.71
  6. Step 6: Final answer
    x = 23,285.24

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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.