Home / 28,528.54-39,370.68-15,953.30

Finding the Fourth Proportional to 28,528.54, 39,370.68 and 15,953.30

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Solution

The fourth proportional to 28,528.54, 39,370.68 and 15,953.30 is: 22,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.54 : 39,370.68 = 15,953.30 : x
  2. Step 2: Convert to fraction form
    28,528.54/39,370.68 = 15,953.30/x
  3. Step 3: Cross multiply
    28,528.54x = 39,370.68 × 15,953.30
  4. Step 4: Simplify right side
    28,528.54x = 628,092,269.24
  5. Step 5: Solve for x
    x = 628,092,269.24/28,528.54
  6. Step 6: Final answer
    x = 22,016.28

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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.