Home / 19,276.84-28,895.56-10,939.25

Finding the Fourth Proportional to 19,276.84, 28,895.56 and 10,939.25

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Solution

The fourth proportional to 19,276.84, 28,895.56 and 10,939.25 is: 16,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.84 : 28,895.56 = 10,939.25 : x
  2. Step 2: Convert to fraction form
    19,276.84/28,895.56 = 10,939.25/x
  3. Step 3: Cross multiply
    19,276.84x = 28,895.56 × 10,939.25
  4. Step 4: Simplify right side
    19,276.84x = 316,095,754.73
  5. Step 5: Solve for x
    x = 316,095,754.73/19,276.84
  6. Step 6: Final answer
    x = 16,397.70

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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.