Home / 28,873.35-39,842.36-16,125.50

Finding the Fourth Proportional to 28,873.35, 39,842.36 and 16,125.50

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Solution

The fourth proportional to 28,873.35, 39,842.36 and 16,125.50 is: 22,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.35 : 39,842.36 = 16,125.50 : x
  2. Step 2: Convert to fraction form
    28,873.35/39,842.36 = 16,125.50/x
  3. Step 3: Cross multiply
    28,873.35x = 39,842.36 × 16,125.50
  4. Step 4: Simplify right side
    28,873.35x = 642,477,696.34
  5. Step 5: Solve for x
    x = 642,477,696.34/28,873.35
  6. Step 6: Final answer
    x = 22,251.58

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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.