Home / 28,271.72-38,980.68-24,436.44

Finding the Fourth Proportional to 28,271.72, 38,980.68 and 24,436.44

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Solution

The fourth proportional to 28,271.72, 38,980.68 and 24,436.44 is: 33,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.72 : 38,980.68 = 24,436.44 : x
  2. Step 2: Convert to fraction form
    28,271.72/38,980.68 = 24,436.44/x
  3. Step 3: Cross multiply
    28,271.72x = 38,980.68 × 24,436.44
  4. Step 4: Simplify right side
    28,271.72x = 952,549,047.98
  5. Step 5: Solve for x
    x = 952,549,047.98/28,271.72
  6. Step 6: Final answer
    x = 33,692.65

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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.