Home / 38,189.08-57,284.58-10,487

Finding the Fourth Proportional to 38,189.08, 57,284.58 and 10,487

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Solution

The fourth proportional to 38,189.08, 57,284.58 and 10,487 is: 15,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.08 : 57,284.58 = 10,487 : x
  2. Step 2: Convert to fraction form
    38,189.08/57,284.58 = 10,487/x
  3. Step 3: Cross multiply
    38,189.08x = 57,284.58 × 10,487
  4. Step 4: Simplify right side
    38,189.08x = 600,743,390.46
  5. Step 5: Solve for x
    x = 600,743,390.46/38,189.08
  6. Step 6: Final answer
    x = 15,730.76

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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.