Home / 38,225.28-57,336.51-10,145.43

Finding the Fourth Proportional to 38,225.28, 57,336.51 and 10,145.43

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Solution

The fourth proportional to 38,225.28, 57,336.51 and 10,145.43 is: 15,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.28 : 57,336.51 = 10,145.43 : x
  2. Step 2: Convert to fraction form
    38,225.28/57,336.51 = 10,145.43/x
  3. Step 3: Cross multiply
    38,225.28x = 57,336.51 × 10,145.43
  4. Step 4: Simplify right side
    38,225.28x = 581,703,548.65
  5. Step 5: Solve for x
    x = 581,703,548.65/38,225.28
  6. Step 6: Final answer
    x = 15,217.77

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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.