Home / 28,527.84-42,806.34-12,943.44

Finding the Fourth Proportional to 28,527.84, 42,806.34 and 12,943.44

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Solution

The fourth proportional to 28,527.84, 42,806.34 and 12,943.44 is: 19,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.84 : 42,806.34 = 12,943.44 : x
  2. Step 2: Convert to fraction form
    28,527.84/42,806.34 = 12,943.44/x
  3. Step 3: Cross multiply
    28,527.84x = 42,806.34 × 12,943.44
  4. Step 4: Simplify right side
    28,527.84x = 554,061,293.41
  5. Step 5: Solve for x
    x = 554,061,293.41/28,527.84
  6. Step 6: Final answer
    x = 19,421.78

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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.