Home / 19,787.59-27,305.67-10,835.20

Finding the Fourth Proportional to 19,787.59, 27,305.67 and 10,835.20

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Solution

The fourth proportional to 19,787.59, 27,305.67 and 10,835.20 is: 14,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.59 : 27,305.67 = 10,835.20 : x
  2. Step 2: Convert to fraction form
    19,787.59/27,305.67 = 10,835.20/x
  3. Step 3: Cross multiply
    19,787.59x = 27,305.67 × 10,835.20
  4. Step 4: Simplify right side
    19,787.59x = 295,862,395.58
  5. Step 5: Solve for x
    x = 295,862,395.58/19,787.59
  6. Step 6: Final answer
    x = 14,951.92

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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.