Home / 27,627.95-38,126.75-15,052.70

Finding the Fourth Proportional to 27,627.95, 38,126.75 and 15,052.70

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Solution

The fourth proportional to 27,627.95, 38,126.75 and 15,052.70 is: 20,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,627.95 : 38,126.75 = 15,052.70 : x
  2. Step 2: Convert to fraction form
    27,627.95/38,126.75 = 15,052.70/x
  3. Step 3: Cross multiply
    27,627.95x = 38,126.75 × 15,052.70
  4. Step 4: Simplify right side
    27,627.95x = 573,910,263.83
  5. Step 5: Solve for x
    x = 573,910,263.83/27,627.95
  6. Step 6: Final answer
    x = 20,772.82

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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.