Home / 28,031.24-38,684.72-16,095.90

Finding the Fourth Proportional to 28,031.24, 38,684.72 and 16,095.90

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Solution

The fourth proportional to 28,031.24, 38,684.72 and 16,095.90 is: 22,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.24 : 38,684.72 = 16,095.90 : x
  2. Step 2: Convert to fraction form
    28,031.24/38,684.72 = 16,095.90/x
  3. Step 3: Cross multiply
    28,031.24x = 38,684.72 × 16,095.90
  4. Step 4: Simplify right side
    28,031.24x = 622,665,384.65
  5. Step 5: Solve for x
    x = 622,665,384.65/28,031.24
  6. Step 6: Final answer
    x = 22,213.27

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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.