Home / 27,976.59-38,607.84-15,401.34

Finding the Fourth Proportional to 27,976.59, 38,607.84 and 15,401.34

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Solution

The fourth proportional to 27,976.59, 38,607.84 and 15,401.34 is: 21,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.59 : 38,607.84 = 15,401.34 : x
  2. Step 2: Convert to fraction form
    27,976.59/38,607.84 = 15,401.34/x
  3. Step 3: Cross multiply
    27,976.59x = 38,607.84 × 15,401.34
  4. Step 4: Simplify right side
    27,976.59x = 594,612,470.51
  5. Step 5: Solve for x
    x = 594,612,470.51/27,976.59
  6. Step 6: Final answer
    x = 21,253.93

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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.