Home / 28,031.24-38,681.34-16,086.17

Finding the Fourth Proportional to 28,031.24, 38,681.34 and 16,086.17

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Solution

The fourth proportional to 28,031.24, 38,681.34 and 16,086.17 is: 22,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.24 : 38,681.34 = 16,086.17 : x
  2. Step 2: Convert to fraction form
    28,031.24/38,681.34 = 16,086.17/x
  3. Step 3: Cross multiply
    28,031.24x = 38,681.34 × 16,086.17
  4. Step 4: Simplify right side
    28,031.24x = 622,234,417.66
  5. Step 5: Solve for x
    x = 622,234,417.66/28,031.24
  6. Step 6: Final answer
    x = 22,197.90

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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.