Home / 27,363.36-37,786.32-20,637.48

Finding the Fourth Proportional to 27,363.36, 37,786.32 and 20,637.48

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Solution

The fourth proportional to 27,363.36, 37,786.32 and 20,637.48 is: 28,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,363.36 : 37,786.32 = 20,637.48 : x
  2. Step 2: Convert to fraction form
    27,363.36/37,786.32 = 20,637.48/x
  3. Step 3: Cross multiply
    27,363.36x = 37,786.32 × 20,637.48
  4. Step 4: Simplify right side
    27,363.36x = 779,814,423.27
  5. Step 5: Solve for x
    x = 779,814,423.27/27,363.36
  6. Step 6: Final answer
    x = 28,498.49

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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.