Home / 27,057.70-37,315.45-16,987.08

Finding the Fourth Proportional to 27,057.70, 37,315.45 and 16,987.08

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Solution

The fourth proportional to 27,057.70, 37,315.45 and 16,987.08 is: 23,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.70 : 37,315.45 = 16,987.08 : x
  2. Step 2: Convert to fraction form
    27,057.70/37,315.45 = 16,987.08/x
  3. Step 3: Cross multiply
    27,057.70x = 37,315.45 × 16,987.08
  4. Step 4: Simplify right side
    27,057.70x = 633,880,555.62
  5. Step 5: Solve for x
    x = 633,880,555.62/27,057.70
  6. Step 6: Final answer
    x = 23,426.99

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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.