Home / 25,289.62-37,957.61-12,818.45

Finding the Fourth Proportional to 25,289.62, 37,957.61 and 12,818.45

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Solution

The fourth proportional to 25,289.62, 37,957.61 and 12,818.45 is: 19,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.62 : 37,957.61 = 12,818.45 : x
  2. Step 2: Convert to fraction form
    25,289.62/37,957.61 = 12,818.45/x
  3. Step 3: Cross multiply
    25,289.62x = 37,957.61 × 12,818.45
  4. Step 4: Simplify right side
    25,289.62x = 486,557,852.84
  5. Step 5: Solve for x
    x = 486,557,852.84/25,289.62
  6. Step 6: Final answer
    x = 19,239.43

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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.