Home / 19,787.32-29,634.13-17,176.11

Finding the Fourth Proportional to 19,787.32, 29,634.13 and 17,176.11

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Solution

The fourth proportional to 19,787.32, 29,634.13 and 17,176.11 is: 25,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.32 : 29,634.13 = 17,176.11 : x
  2. Step 2: Convert to fraction form
    19,787.32/29,634.13 = 17,176.11/x
  3. Step 3: Cross multiply
    19,787.32x = 29,634.13 × 17,176.11
  4. Step 4: Simplify right side
    19,787.32x = 508,999,076.63
  5. Step 5: Solve for x
    x = 508,999,076.63/19,787.32
  6. Step 6: Final answer
    x = 25,723.50

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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.