Home / 28,819.27-39,763.74-16,244.02

Finding the Fourth Proportional to 28,819.27, 39,763.74 and 16,244.02

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Solution

The fourth proportional to 28,819.27, 39,763.74 and 16,244.02 is: 22,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.27 : 39,763.74 = 16,244.02 : x
  2. Step 2: Convert to fraction form
    28,819.27/39,763.74 = 16,244.02/x
  3. Step 3: Cross multiply
    28,819.27x = 39,763.74 × 16,244.02
  4. Step 4: Simplify right side
    28,819.27x = 645,922,987.83
  5. Step 5: Solve for x
    x = 645,922,987.83/28,819.27
  6. Step 6: Final answer
    x = 22,412.89

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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.