Home / 25,787.46-38,615.55-16,995.72

Finding the Fourth Proportional to 25,787.46, 38,615.55 and 16,995.72

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Solution

The fourth proportional to 25,787.46, 38,615.55 and 16,995.72 is: 25,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,787.46 : 38,615.55 = 16,995.72 : x
  2. Step 2: Convert to fraction form
    25,787.46/38,615.55 = 16,995.72/x
  3. Step 3: Cross multiply
    25,787.46x = 38,615.55 × 16,995.72
  4. Step 4: Simplify right side
    25,787.46x = 656,299,075.45
  5. Step 5: Solve for x
    x = 656,299,075.45/25,787.46
  6. Step 6: Final answer
    x = 25,450.32

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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.