Home / 28,784.65-39,732.79-16,851.84

Finding the Fourth Proportional to 28,784.65, 39,732.79 and 16,851.84

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Solution

The fourth proportional to 28,784.65, 39,732.79 and 16,851.84 is: 23,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.65 : 39,732.79 = 16,851.84 : x
  2. Step 2: Convert to fraction form
    28,784.65/39,732.79 = 16,851.84/x
  3. Step 3: Cross multiply
    28,784.65x = 39,732.79 × 16,851.84
  4. Step 4: Simplify right side
    28,784.65x = 669,570,619.83
  5. Step 5: Solve for x
    x = 669,570,619.83/28,784.65
  6. Step 6: Final answer
    x = 23,261.38

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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.