Home / 28,795.28-39,723.90-16,851.23

Finding the Fourth Proportional to 28,795.28, 39,723.90 and 16,851.23

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Solution

The fourth proportional to 28,795.28, 39,723.90 and 16,851.23 is: 23,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.28 : 39,723.90 = 16,851.23 : x
  2. Step 2: Convert to fraction form
    28,795.28/39,723.90 = 16,851.23/x
  3. Step 3: Cross multiply
    28,795.28x = 39,723.90 × 16,851.23
  4. Step 4: Simplify right side
    28,795.28x = 669,396,376.78
  5. Step 5: Solve for x
    x = 669,396,376.78/28,795.28
  6. Step 6: Final answer
    x = 23,246.74

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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.