Home / 27,005.72-37,261.89-15,668.63

Finding the Fourth Proportional to 27,005.72, 37,261.89 and 15,668.63

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Solution

The fourth proportional to 27,005.72, 37,261.89 and 15,668.63 is: 21,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.72 : 37,261.89 = 15,668.63 : x
  2. Step 2: Convert to fraction form
    27,005.72/37,261.89 = 15,668.63/x
  3. Step 3: Cross multiply
    27,005.72x = 37,261.89 × 15,668.63
  4. Step 4: Simplify right side
    27,005.72x = 583,842,767.51
  5. Step 5: Solve for x
    x = 583,842,767.51/27,005.72
  6. Step 6: Final answer
    x = 21,619.23

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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.