Home / 28,402.91-39,195.25-16,303.04

Finding the Fourth Proportional to 28,402.91, 39,195.25 and 16,303.04

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Solution

The fourth proportional to 28,402.91, 39,195.25 and 16,303.04 is: 22,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.91 : 39,195.25 = 16,303.04 : x
  2. Step 2: Convert to fraction form
    28,402.91/39,195.25 = 16,303.04/x
  3. Step 3: Cross multiply
    28,402.91x = 39,195.25 × 16,303.04
  4. Step 4: Simplify right side
    28,402.91x = 639,001,728.56
  5. Step 5: Solve for x
    x = 639,001,728.56/28,402.91
  6. Step 6: Final answer
    x = 22,497.76

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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.