Home / 28,396.48-39,187.56-16,460.72

Finding the Fourth Proportional to 28,396.48, 39,187.56 and 16,460.72

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Solution

The fourth proportional to 28,396.48, 39,187.56 and 16,460.72 is: 22,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.48 : 39,187.56 = 16,460.72 : x
  2. Step 2: Convert to fraction form
    28,396.48/39,187.56 = 16,460.72/x
  3. Step 3: Cross multiply
    28,396.48x = 39,187.56 × 16,460.72
  4. Step 4: Simplify right side
    28,396.48x = 645,055,452.64
  5. Step 5: Solve for x
    x = 645,055,452.64/28,396.48
  6. Step 6: Final answer
    x = 22,716.04

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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.