Home / 38,286.74-57,425.55-10,208.90

Finding the Fourth Proportional to 38,286.74, 57,425.55 and 10,208.90

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Solution

The fourth proportional to 38,286.74, 57,425.55 and 10,208.90 is: 15,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.74 : 57,425.55 = 10,208.90 : x
  2. Step 2: Convert to fraction form
    38,286.74/57,425.55 = 10,208.90/x
  3. Step 3: Cross multiply
    38,286.74x = 57,425.55 × 10,208.90
  4. Step 4: Simplify right side
    38,286.74x = 586,251,697.40
  5. Step 5: Solve for x
    x = 586,251,697.40/38,286.74
  6. Step 6: Final answer
    x = 15,312.13

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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.