Home / 38,187.08-57,281.58-10,485

Finding the Fourth Proportional to 38,187.08, 57,281.58 and 10,485

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Solution

The fourth proportional to 38,187.08, 57,281.58 and 10,485 is: 15,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.08 : 57,281.58 = 10,485 : x
  2. Step 2: Convert to fraction form
    38,187.08/57,281.58 = 10,485/x
  3. Step 3: Cross multiply
    38,187.08x = 57,281.58 × 10,485
  4. Step 4: Simplify right side
    38,187.08x = 600,597,366.30
  5. Step 5: Solve for x
    x = 600,597,366.30/38,187.08
  6. Step 6: Final answer
    x = 15,727.76

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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.