Home / 27,833.12-38,409.48-15,257.84

Finding the Fourth Proportional to 27,833.12, 38,409.48 and 15,257.84

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Solution

The fourth proportional to 27,833.12, 38,409.48 and 15,257.84 is: 21,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.12 : 38,409.48 = 15,257.84 : x
  2. Step 2: Convert to fraction form
    27,833.12/38,409.48 = 15,257.84/x
  3. Step 3: Cross multiply
    27,833.12x = 38,409.48 × 15,257.84
  4. Step 4: Simplify right side
    27,833.12x = 586,045,700.32
  5. Step 5: Solve for x
    x = 586,045,700.32/27,833.12
  6. Step 6: Final answer
    x = 21,055.70

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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.