Home / 27,459.78-37,881.75-16,125.60

Finding the Fourth Proportional to 27,459.78, 37,881.75 and 16,125.60

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Solution

The fourth proportional to 27,459.78, 37,881.75 and 16,125.60 is: 22,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.78 : 37,881.75 = 16,125.60 : x
  2. Step 2: Convert to fraction form
    27,459.78/37,881.75 = 16,125.60/x
  3. Step 3: Cross multiply
    27,459.78x = 37,881.75 × 16,125.60
  4. Step 4: Simplify right side
    27,459.78x = 610,865,947.80
  5. Step 5: Solve for x
    x = 610,865,947.80/27,459.78
  6. Step 6: Final answer
    x = 22,245.84

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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.