Home / 19,787.76-27,306.90-10,835.28

Finding the Fourth Proportional to 19,787.76, 27,306.90 and 10,835.28

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Solution

The fourth proportional to 19,787.76, 27,306.90 and 10,835.28 is: 14,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.76 : 27,306.90 = 10,835.28 : x
  2. Step 2: Convert to fraction form
    19,787.76/27,306.90 = 10,835.28/x
  3. Step 3: Cross multiply
    19,787.76x = 27,306.90 × 10,835.28
  4. Step 4: Simplify right side
    19,787.76x = 295,877,907.43
  5. Step 5: Solve for x
    x = 295,877,907.43/19,787.76
  6. Step 6: Final answer
    x = 14,952.57

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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.