Home / 27,628.11-38,126.73-15,052.86

Finding the Fourth Proportional to 27,628.11, 38,126.73 and 15,052.86

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Solution

The fourth proportional to 27,628.11, 38,126.73 and 15,052.86 is: 20,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.11 : 38,126.73 = 15,052.86 : x
  2. Step 2: Convert to fraction form
    27,628.11/38,126.73 = 15,052.86/x
  3. Step 3: Cross multiply
    27,628.11x = 38,126.73 × 15,052.86
  4. Step 4: Simplify right side
    27,628.11x = 573,916,328.95
  5. Step 5: Solve for x
    x = 573,916,328.95/27,628.11
  6. Step 6: Final answer
    x = 20,772.91

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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.