Home / 28,828.84-39,783.75-16,253.60

Finding the Fourth Proportional to 28,828.84, 39,783.75 and 16,253.60

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Solution

The fourth proportional to 28,828.84, 39,783.75 and 16,253.60 is: 22,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.84 : 39,783.75 = 16,253.60 : x
  2. Step 2: Convert to fraction form
    28,828.84/39,783.75 = 16,253.60/x
  3. Step 3: Cross multiply
    28,828.84x = 39,783.75 × 16,253.60
  4. Step 4: Simplify right side
    28,828.84x = 646,629,159
  5. Step 5: Solve for x
    x = 646,629,159/28,828.84
  6. Step 6: Final answer
    x = 22,429.94

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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.