Home / 27,315.66-37,703.16-15,987.54

Finding the Fourth Proportional to 27,315.66, 37,703.16 and 15,987.54

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Solution

The fourth proportional to 27,315.66, 37,703.16 and 15,987.54 is: 22,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.66 : 37,703.16 = 15,987.54 : x
  2. Step 2: Convert to fraction form
    27,315.66/37,703.16 = 15,987.54/x
  3. Step 3: Cross multiply
    27,315.66x = 37,703.16 × 15,987.54
  4. Step 4: Simplify right side
    27,315.66x = 602,780,778.63
  5. Step 5: Solve for x
    x = 602,780,778.63/27,315.66
  6. Step 6: Final answer
    x = 22,067.22

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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.