Home / 28,819.68-39,769.92-16,244.16

Finding the Fourth Proportional to 28,819.68, 39,769.92 and 16,244.16

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Solution

The fourth proportional to 28,819.68, 39,769.92 and 16,244.16 is: 22,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.68 : 39,769.92 = 16,244.16 : x
  2. Step 2: Convert to fraction form
    28,819.68/39,769.92 = 16,244.16/x
  3. Step 3: Cross multiply
    28,819.68x = 39,769.92 × 16,244.16
  4. Step 4: Simplify right side
    28,819.68x = 646,028,943.67
  5. Step 5: Solve for x
    x = 646,028,943.67/28,819.68
  6. Step 6: Final answer
    x = 22,416.24

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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.