Home / 28,415.97-42,561.81-23,429.61

Finding the Fourth Proportional to 28,415.97, 42,561.81 and 23,429.61

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Solution

The fourth proportional to 28,415.97, 42,561.81 and 23,429.61 is: 35,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.97 : 42,561.81 = 23,429.61 : x
  2. Step 2: Convert to fraction form
    28,415.97/42,561.81 = 23,429.61/x
  3. Step 3: Cross multiply
    28,415.97x = 42,561.81 × 23,429.61
  4. Step 4: Simplify right side
    28,415.97x = 997,206,609.19
  5. Step 5: Solve for x
    x = 997,206,609.19/28,415.97
  6. Step 6: Final answer
    x = 35,093.18

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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.