Home / 38,187.74-57,282.03-11,533.95

Finding the Fourth Proportional to 38,187.74, 57,282.03 and 11,533.95

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Solution

The fourth proportional to 38,187.74, 57,282.03 and 11,533.95 is: 17,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.74 : 57,282.03 = 11,533.95 : x
  2. Step 2: Convert to fraction form
    38,187.74/57,282.03 = 11,533.95/x
  3. Step 3: Cross multiply
    38,187.74x = 57,282.03 × 11,533.95
  4. Step 4: Simplify right side
    38,187.74x = 660,688,069.92
  5. Step 5: Solve for x
    x = 660,688,069.92/38,187.74
  6. Step 6: Final answer
    x = 17,301.05

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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.