Home / 52,187.29-72,017.81-28,313.78

Finding the Fourth Proportional to 52,187.29, 72,017.81 and 28,313.78

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Solution

The fourth proportional to 52,187.29, 72,017.81 and 28,313.78 is: 39,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.29 : 72,017.81 = 28,313.78 : x
  2. Step 2: Convert to fraction form
    52,187.29/72,017.81 = 28,313.78/x
  3. Step 3: Cross multiply
    52,187.29x = 72,017.81 × 28,313.78
  4. Step 4: Simplify right side
    52,187.29x = 2,039,096,286.85
  5. Step 5: Solve for x
    x = 2,039,096,286.85/52,187.29
  6. Step 6: Final answer
    x = 39,072.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.