Home / 27,220.35-37,557.95-15,282.89

Finding the Fourth Proportional to 27,220.35, 37,557.95 and 15,282.89

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Solution

The fourth proportional to 27,220.35, 37,557.95 and 15,282.89 is: 21,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.35 : 37,557.95 = 15,282.89 : x
  2. Step 2: Convert to fraction form
    27,220.35/37,557.95 = 15,282.89/x
  3. Step 3: Cross multiply
    27,220.35x = 37,557.95 × 15,282.89
  4. Step 4: Simplify right side
    27,220.35x = 573,994,106.38
  5. Step 5: Solve for x
    x = 573,994,106.38/27,220.35
  6. Step 6: Final answer
    x = 21,086.95

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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.