Home / 27,693.54-38,216.49-15,118.50

Finding the Fourth Proportional to 27,693.54, 38,216.49 and 15,118.50

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Solution

The fourth proportional to 27,693.54, 38,216.49 and 15,118.50 is: 20,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.54 : 38,216.49 = 15,118.50 : x
  2. Step 2: Convert to fraction form
    27,693.54/38,216.49 = 15,118.50/x
  3. Step 3: Cross multiply
    27,693.54x = 38,216.49 × 15,118.50
  4. Step 4: Simplify right side
    27,693.54x = 577,776,004.07
  5. Step 5: Solve for x
    x = 577,776,004.07/27,693.54
  6. Step 6: Final answer
    x = 20,863.21

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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.