Home / 29,216.58-40,318.98-15,787.93

Finding the Fourth Proportional to 29,216.58, 40,318.98 and 15,787.93

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Solution

The fourth proportional to 29,216.58, 40,318.98 and 15,787.93 is: 21,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.58 : 40,318.98 = 15,787.93 : x
  2. Step 2: Convert to fraction form
    29,216.58/40,318.98 = 15,787.93/x
  3. Step 3: Cross multiply
    29,216.58x = 40,318.98 × 15,787.93
  4. Step 4: Simplify right side
    29,216.58x = 636,553,233.91
  5. Step 5: Solve for x
    x = 636,553,233.91/29,216.58
  6. Step 6: Final answer
    x = 21,787.40

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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.