Home / 27,809.15-38,376.66-15,062.36

Finding the Fourth Proportional to 27,809.15, 38,376.66 and 15,062.36

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Solution

The fourth proportional to 27,809.15, 38,376.66 and 15,062.36 is: 20,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.15 : 38,376.66 = 15,062.36 : x
  2. Step 2: Convert to fraction form
    27,809.15/38,376.66 = 15,062.36/x
  3. Step 3: Cross multiply
    27,809.15x = 38,376.66 × 15,062.36
  4. Step 4: Simplify right side
    27,809.15x = 578,042,876.63
  5. Step 5: Solve for x
    x = 578,042,876.63/27,809.15
  6. Step 6: Final answer
    x = 20,786.07

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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.