Home / 27,116.99-37,423.59-19,979.51

Finding the Fourth Proportional to 27,116.99, 37,423.59 and 19,979.51

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Solution

The fourth proportional to 27,116.99, 37,423.59 and 19,979.51 is: 27,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.99 : 37,423.59 = 19,979.51 : x
  2. Step 2: Convert to fraction form
    27,116.99/37,423.59 = 19,979.51/x
  3. Step 3: Cross multiply
    27,116.99x = 37,423.59 × 19,979.51
  4. Step 4: Simplify right side
    27,116.99x = 747,705,107.68
  5. Step 5: Solve for x
    x = 747,705,107.68/27,116.99
  6. Step 6: Final answer
    x = 27,573.31

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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.