Home / 25,428.45-38,149.01-17,946.61

Finding the Fourth Proportional to 25,428.45, 38,149.01 and 17,946.61

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Solution

The fourth proportional to 25,428.45, 38,149.01 and 17,946.61 is: 26,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.45 : 38,149.01 = 17,946.61 : x
  2. Step 2: Convert to fraction form
    25,428.45/38,149.01 = 17,946.61/x
  3. Step 3: Cross multiply
    25,428.45x = 38,149.01 × 17,946.61
  4. Step 4: Simplify right side
    25,428.45x = 684,645,353.85
  5. Step 5: Solve for x
    x = 684,645,353.85/25,428.45
  6. Step 6: Final answer
    x = 26,924.38

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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.