Home / 16,957.80-25,364.70-15,215.40

Finding the Fourth Proportional to 16,957.80, 25,364.70 and 15,215.40

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Solution

The fourth proportional to 16,957.80, 25,364.70 and 15,215.40 is: 22,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.80 : 25,364.70 = 15,215.40 : x
  2. Step 2: Convert to fraction form
    16,957.80/25,364.70 = 15,215.40/x
  3. Step 3: Cross multiply
    16,957.80x = 25,364.70 × 15,215.40
  4. Step 4: Simplify right side
    16,957.80x = 385,934,056.38
  5. Step 5: Solve for x
    x = 385,934,056.38/16,957.80
  6. Step 6: Final answer
    x = 22,758.50

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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.