Home / 27,415.16-37,832.59-15,479.00

Finding the Fourth Proportional to 27,415.16, 37,832.59 and 15,479.00

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Solution

The fourth proportional to 27,415.16, 37,832.59 and 15,479.00 is: 21,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.16 : 37,832.59 = 15,479.00 : x
  2. Step 2: Convert to fraction form
    27,415.16/37,832.59 = 15,479.00/x
  3. Step 3: Cross multiply
    27,415.16x = 37,832.59 × 15,479.00
  4. Step 4: Simplify right side
    27,415.16x = 585,610,394.05
  5. Step 5: Solve for x
    x = 585,610,394.05/27,415.16
  6. Step 6: Final answer
    x = 21,360.83

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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.