Home / 27,360.36-37,782.18-20,634.48

Finding the Fourth Proportional to 27,360.36, 37,782.18 and 20,634.48

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Solution

The fourth proportional to 27,360.36, 37,782.18 and 20,634.48 is: 28,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.36 : 37,782.18 = 20,634.48 : x
  2. Step 2: Convert to fraction form
    27,360.36/37,782.18 = 20,634.48/x
  3. Step 3: Cross multiply
    27,360.36x = 37,782.18 × 20,634.48
  4. Step 4: Simplify right side
    27,360.36x = 779,615,637.57
  5. Step 5: Solve for x
    x = 779,615,637.57/27,360.36
  6. Step 6: Final answer
    x = 28,494.35

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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.