Home / 27,842.21-38,422.51-15,095.36

Finding the Fourth Proportional to 27,842.21, 38,422.51 and 15,095.36

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Solution

The fourth proportional to 27,842.21, 38,422.51 and 15,095.36 is: 20,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.21 : 38,422.51 = 15,095.36 : x
  2. Step 2: Convert to fraction form
    27,842.21/38,422.51 = 15,095.36/x
  3. Step 3: Cross multiply
    27,842.21x = 38,422.51 × 15,095.36
  4. Step 4: Simplify right side
    27,842.21x = 580,001,591.39
  5. Step 5: Solve for x
    x = 580,001,591.39/27,842.21
  6. Step 6: Final answer
    x = 20,831.74

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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.