Home / 28,191.12-38,889.36-17,576.88

Finding the Fourth Proportional to 28,191.12, 38,889.36 and 17,576.88

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Solution

The fourth proportional to 28,191.12, 38,889.36 and 17,576.88 is: 24,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.12 : 38,889.36 = 17,576.88 : x
  2. Step 2: Convert to fraction form
    28,191.12/38,889.36 = 17,576.88/x
  3. Step 3: Cross multiply
    28,191.12x = 38,889.36 × 17,576.88
  4. Step 4: Simplify right side
    28,191.12x = 683,553,614.00
  5. Step 5: Solve for x
    x = 683,553,614.00/28,191.12
  6. Step 6: Final answer
    x = 24,247.13

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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.