Home / 27,354.40-37,749.30-15,416.60

Finding the Fourth Proportional to 27,354.40, 37,749.30 and 15,416.60

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Solution

The fourth proportional to 27,354.40, 37,749.30 and 15,416.60 is: 21,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.40 : 37,749.30 = 15,416.60 : x
  2. Step 2: Convert to fraction form
    27,354.40/37,749.30 = 15,416.60/x
  3. Step 3: Cross multiply
    27,354.40x = 37,749.30 × 15,416.60
  4. Step 4: Simplify right side
    27,354.40x = 581,965,858.38
  5. Step 5: Solve for x
    x = 581,965,858.38/27,354.40
  6. Step 6: Final answer
    x = 21,275.04

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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.