Home / 28,031.16-38,682.72-16,098.24

Finding the Fourth Proportional to 28,031.16, 38,682.72 and 16,098.24

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Solution

The fourth proportional to 28,031.16, 38,682.72 and 16,098.24 is: 22,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.16 : 38,682.72 = 16,098.24 : x
  2. Step 2: Convert to fraction form
    28,031.16/38,682.72 = 16,098.24/x
  3. Step 3: Cross multiply
    28,031.16x = 38,682.72 × 16,098.24
  4. Step 4: Simplify right side
    28,031.16x = 622,723,710.41
  5. Step 5: Solve for x
    x = 622,723,710.41/28,031.16
  6. Step 6: Final answer
    x = 22,215.41

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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.