Home / 27,271.84-37,630.80-15,939.58

Finding the Fourth Proportional to 27,271.84, 37,630.80 and 15,939.58

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Solution

The fourth proportional to 27,271.84, 37,630.80 and 15,939.58 is: 21,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.84 : 37,630.80 = 15,939.58 : x
  2. Step 2: Convert to fraction form
    27,271.84/37,630.80 = 15,939.58/x
  3. Step 3: Cross multiply
    27,271.84x = 37,630.80 × 15,939.58
  4. Step 4: Simplify right side
    27,271.84x = 599,819,147.06
  5. Step 5: Solve for x
    x = 599,819,147.06/27,271.84
  6. Step 6: Final answer
    x = 21,994.08

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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.