Home / 28,525.77-39,367.05-16,428.08

Finding the Fourth Proportional to 28,525.77, 39,367.05 and 16,428.08

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Solution

The fourth proportional to 28,525.77, 39,367.05 and 16,428.08 is: 22,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.77 : 39,367.05 = 16,428.08 : x
  2. Step 2: Convert to fraction form
    28,525.77/39,367.05 = 16,428.08/x
  3. Step 3: Cross multiply
    28,525.77x = 39,367.05 × 16,428.08
  4. Step 4: Simplify right side
    28,525.77x = 646,725,083.58
  5. Step 5: Solve for x
    x = 646,725,083.58/28,525.77
  6. Step 6: Final answer
    x = 22,671.61

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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.