Home / 28,227.77-42,341.67-7,169.39

Finding the Fourth Proportional to 28,227.77, 42,341.67 and 7,169.39

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Solution

The fourth proportional to 28,227.77, 42,341.67 and 7,169.39 is: 10,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.77 : 42,341.67 = 7,169.39 : x
  2. Step 2: Convert to fraction form
    28,227.77/42,341.67 = 7,169.39/x
  3. Step 3: Cross multiply
    28,227.77x = 42,341.67 × 7,169.39
  4. Step 4: Simplify right side
    28,227.77x = 303,563,945.48
  5. Step 5: Solve for x
    x = 303,563,945.48/28,227.77
  6. Step 6: Final answer
    x = 10,754.09

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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.