Home / 38,138.93-57,208.41-10,436.93

Finding the Fourth Proportional to 38,138.93, 57,208.41 and 10,436.93

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Solution

The fourth proportional to 38,138.93, 57,208.41 and 10,436.93 is: 15,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.93 : 57,208.41 = 10,436.93 : x
  2. Step 2: Convert to fraction form
    38,138.93/57,208.41 = 10,436.93/x
  3. Step 3: Cross multiply
    38,138.93x = 57,208.41 × 10,436.93
  4. Step 4: Simplify right side
    38,138.93x = 597,080,170.58
  5. Step 5: Solve for x
    x = 597,080,170.58/38,138.93
  6. Step 6: Final answer
    x = 15,655.40

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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.