Home / 27,670.75-38,185.77-15,095.50

Finding the Fourth Proportional to 27,670.75, 38,185.77 and 15,095.50

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Solution

The fourth proportional to 27,670.75, 38,185.77 and 15,095.50 is: 20,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.75 : 38,185.77 = 15,095.50 : x
  2. Step 2: Convert to fraction form
    27,670.75/38,185.77 = 15,095.50/x
  3. Step 3: Cross multiply
    27,670.75x = 38,185.77 × 15,095.50
  4. Step 4: Simplify right side
    27,670.75x = 576,433,291.04
  5. Step 5: Solve for x
    x = 576,433,291.04/27,670.75
  6. Step 6: Final answer
    x = 20,831.86

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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.