Home / 19,571.72-27,008.76-10,619.42

Finding the Fourth Proportional to 19,571.72, 27,008.76 and 10,619.42

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Solution

The fourth proportional to 19,571.72, 27,008.76 and 10,619.42 is: 14,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.72 : 27,008.76 = 10,619.42 : x
  2. Step 2: Convert to fraction form
    19,571.72/27,008.76 = 10,619.42/x
  3. Step 3: Cross multiply
    19,571.72x = 27,008.76 × 10,619.42
  4. Step 4: Simplify right side
    19,571.72x = 286,817,366.12
  5. Step 5: Solve for x
    x = 286,817,366.12/19,571.72
  6. Step 6: Final answer
    x = 14,654.68

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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.