Home / 27,623.72-38,120.01-15,523.22

Finding the Fourth Proportional to 27,623.72, 38,120.01 and 15,523.22

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Solution

The fourth proportional to 27,623.72, 38,120.01 and 15,523.22 is: 21,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.72 : 38,120.01 = 15,523.22 : x
  2. Step 2: Convert to fraction form
    27,623.72/38,120.01 = 15,523.22/x
  3. Step 3: Cross multiply
    27,623.72x = 38,120.01 × 15,523.22
  4. Step 4: Simplify right side
    27,623.72x = 591,745,301.63
  5. Step 5: Solve for x
    x = 591,745,301.63/27,623.72
  6. Step 6: Final answer
    x = 21,421.64

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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.