Home / 20,527.51-30,816.78-14,326.96

Finding the Fourth Proportional to 20,527.51, 30,816.78 and 14,326.96

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Solution

The fourth proportional to 20,527.51, 30,816.78 and 14,326.96 is: 21,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.51 : 30,816.78 = 14,326.96 : x
  2. Step 2: Convert to fraction form
    20,527.51/30,816.78 = 14,326.96/x
  3. Step 3: Cross multiply
    20,527.51x = 30,816.78 × 14,326.96
  4. Step 4: Simplify right side
    20,527.51x = 441,510,774.39
  5. Step 5: Solve for x
    x = 441,510,774.39/20,527.51
  6. Step 6: Final answer
    x = 21,508.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.