Home / 28,475.78-39,290.58-16,532.96

Finding the Fourth Proportional to 28,475.78, 39,290.58 and 16,532.96

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Solution

The fourth proportional to 28,475.78, 39,290.58 and 16,532.96 is: 22,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.78 : 39,290.58 = 16,532.96 : x
  2. Step 2: Convert to fraction form
    28,475.78/39,290.58 = 16,532.96/x
  3. Step 3: Cross multiply
    28,475.78x = 39,290.58 × 16,532.96
  4. Step 4: Simplify right side
    28,475.78x = 649,589,587.52
  5. Step 5: Solve for x
    x = 649,589,587.52/28,475.78
  6. Step 6: Final answer
    x = 22,812.00

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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.