Home / 27,057.72-37,315.47-16,987.09

Finding the Fourth Proportional to 27,057.72, 37,315.47 and 16,987.09

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Solution

The fourth proportional to 27,057.72, 37,315.47 and 16,987.09 is: 23,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.72 : 37,315.47 = 16,987.09 : x
  2. Step 2: Convert to fraction form
    27,057.72/37,315.47 = 16,987.09/x
  3. Step 3: Cross multiply
    27,057.72x = 37,315.47 × 16,987.09
  4. Step 4: Simplify right side
    27,057.72x = 633,881,162.35
  5. Step 5: Solve for x
    x = 633,881,162.35/27,057.72
  6. Step 6: Final answer
    x = 23,427.00

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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.