Home / 19,924.28-27,486.24-12,750.80

Finding the Fourth Proportional to 19,924.28, 27,486.24 and 12,750.80

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Solution

The fourth proportional to 19,924.28, 27,486.24 and 12,750.80 is: 17,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.28 : 27,486.24 = 12,750.80 : x
  2. Step 2: Convert to fraction form
    19,924.28/27,486.24 = 12,750.80/x
  3. Step 3: Cross multiply
    19,924.28x = 27,486.24 × 12,750.80
  4. Step 4: Simplify right side
    19,924.28x = 350,471,548.99
  5. Step 5: Solve for x
    x = 350,471,548.99/19,924.28
  6. Step 6: Final answer
    x = 17,590.17

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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.