Home / 27,108.38-37,398.02-19,157.42

Finding the Fourth Proportional to 27,108.38, 37,398.02 and 19,157.42

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Solution

The fourth proportional to 27,108.38, 37,398.02 and 19,157.42 is: 26,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.38 : 37,398.02 = 19,157.42 : x
  2. Step 2: Convert to fraction form
    27,108.38/37,398.02 = 19,157.42/x
  3. Step 3: Cross multiply
    27,108.38x = 37,398.02 × 19,157.42
  4. Step 4: Simplify right side
    27,108.38x = 716,449,576.31
  5. Step 5: Solve for x
    x = 716,449,576.31/27,108.38
  6. Step 6: Final answer
    x = 26,429.08

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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.