Home / 21,594.45-29,787.46-15,927.40

Finding the Fourth Proportional to 21,594.45, 29,787.46 and 15,927.40

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Solution

The fourth proportional to 21,594.45, 29,787.46 and 15,927.40 is: 21,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.45 : 29,787.46 = 15,927.40 : x
  2. Step 2: Convert to fraction form
    21,594.45/29,787.46 = 15,927.40/x
  3. Step 3: Cross multiply
    21,594.45x = 29,787.46 × 15,927.40
  4. Step 4: Simplify right side
    21,594.45x = 474,436,790.40
  5. Step 5: Solve for x
    x = 474,436,790.40/21,594.45
  6. Step 6: Final answer
    x = 21,970.31

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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.