Home / 28,612.68-39,485.34-16,037.52

Finding the Fourth Proportional to 28,612.68, 39,485.34 and 16,037.52

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Solution

The fourth proportional to 28,612.68, 39,485.34 and 16,037.52 is: 22,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.68 : 39,485.34 = 16,037.52 : x
  2. Step 2: Convert to fraction form
    28,612.68/39,485.34 = 16,037.52/x
  3. Step 3: Cross multiply
    28,612.68x = 39,485.34 × 16,037.52
  4. Step 4: Simplify right side
    28,612.68x = 633,246,929.96
  5. Step 5: Solve for x
    x = 633,246,929.96/28,612.68
  6. Step 6: Final answer
    x = 22,131.69

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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.