Home / 27,867.94-38,457.75-15,293.50

Finding the Fourth Proportional to 27,867.94, 38,457.75 and 15,293.50

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Solution

The fourth proportional to 27,867.94, 38,457.75 and 15,293.50 is: 21,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.94 : 38,457.75 = 15,293.50 : x
  2. Step 2: Convert to fraction form
    27,867.94/38,457.75 = 15,293.50/x
  3. Step 3: Cross multiply
    27,867.94x = 38,457.75 × 15,293.50
  4. Step 4: Simplify right side
    27,867.94x = 588,153,560.83
  5. Step 5: Solve for x
    x = 588,153,560.83/27,867.94
  6. Step 6: Final answer
    x = 21,105.03

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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.