Home / 27,041.12-37,308.48-21,376.88

Finding the Fourth Proportional to 27,041.12, 37,308.48 and 21,376.88

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Solution

The fourth proportional to 27,041.12, 37,308.48 and 21,376.88 is: 29,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,041.12 : 37,308.48 = 21,376.88 : x
  2. Step 2: Convert to fraction form
    27,041.12/37,308.48 = 21,376.88/x
  3. Step 3: Cross multiply
    27,041.12x = 37,308.48 × 21,376.88
  4. Step 4: Simplify right side
    27,041.12x = 797,538,899.94
  5. Step 5: Solve for x
    x = 797,538,899.94/27,041.12
  6. Step 6: Final answer
    x = 29,493.56

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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.