Home / 22,759.04-31,412.51-14,787.43

Finding the Fourth Proportional to 22,759.04, 31,412.51 and 14,787.43

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Solution

The fourth proportional to 22,759.04, 31,412.51 and 14,787.43 is: 20,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.04 : 31,412.51 = 14,787.43 : x
  2. Step 2: Convert to fraction form
    22,759.04/31,412.51 = 14,787.43/x
  3. Step 3: Cross multiply
    22,759.04x = 31,412.51 × 14,787.43
  4. Step 4: Simplify right side
    22,759.04x = 464,510,195.73
  5. Step 5: Solve for x
    x = 464,510,195.73/22,759.04
  6. Step 6: Final answer
    x = 20,409.92

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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.