Home / 19,767.36-27,232.76-13,788.36

Finding the Fourth Proportional to 19,767.36, 27,232.76 and 13,788.36

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Solution

The fourth proportional to 19,767.36, 27,232.76 and 13,788.36 is: 18,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.36 : 27,232.76 = 13,788.36 : x
  2. Step 2: Convert to fraction form
    19,767.36/27,232.76 = 13,788.36/x
  3. Step 3: Cross multiply
    19,767.36x = 27,232.76 × 13,788.36
  4. Step 4: Simplify right side
    19,767.36x = 375,495,098.67
  5. Step 5: Solve for x
    x = 375,495,098.67/19,767.36
  6. Step 6: Final answer
    x = 18,995.71

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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.