Home / 27,634.49-38,133.68-15,535.28

Finding the Fourth Proportional to 27,634.49, 38,133.68 and 15,535.28

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Solution

The fourth proportional to 27,634.49, 38,133.68 and 15,535.28 is: 21,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.49 : 38,133.68 = 15,535.28 : x
  2. Step 2: Convert to fraction form
    27,634.49/38,133.68 = 15,535.28/x
  3. Step 3: Cross multiply
    27,634.49x = 38,133.68 × 15,535.28
  4. Step 4: Simplify right side
    27,634.49x = 592,417,396.23
  5. Step 5: Solve for x
    x = 592,417,396.23/27,634.49
  6. Step 6: Final answer
    x = 21,437.61

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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.