Home / 28,416.64-39,212.22-16,480.75

Finding the Fourth Proportional to 28,416.64, 39,212.22 and 16,480.75

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Solution

The fourth proportional to 28,416.64, 39,212.22 and 16,480.75 is: 22,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.64 : 39,212.22 = 16,480.75 : x
  2. Step 2: Convert to fraction form
    28,416.64/39,212.22 = 16,480.75/x
  3. Step 3: Cross multiply
    28,416.64x = 39,212.22 × 16,480.75
  4. Step 4: Simplify right side
    28,416.64x = 646,246,794.77
  5. Step 5: Solve for x
    x = 646,246,794.77/28,416.64
  6. Step 6: Final answer
    x = 22,741.84

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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.