Home / 19,733.28-27,232.80-11,352.48

Finding the Fourth Proportional to 19,733.28, 27,232.80 and 11,352.48

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Solution

The fourth proportional to 19,733.28, 27,232.80 and 11,352.48 is: 15,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.28 : 27,232.80 = 11,352.48 : x
  2. Step 2: Convert to fraction form
    19,733.28/27,232.80 = 11,352.48/x
  3. Step 3: Cross multiply
    19,733.28x = 27,232.80 × 11,352.48
  4. Step 4: Simplify right side
    19,733.28x = 309,159,817.34
  5. Step 5: Solve for x
    x = 309,159,817.34/19,733.28
  6. Step 6: Final answer
    x = 15,666.92

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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.