Home / 28,255.77-42,391.68-23,040.11

Finding the Fourth Proportional to 28,255.77, 42,391.68 and 23,040.11

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Solution

The fourth proportional to 28,255.77, 42,391.68 and 23,040.11 is: 34,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255.77 : 42,391.68 = 23,040.11 : x
  2. Step 2: Convert to fraction form
    28,255.77/42,391.68 = 23,040.11/x
  3. Step 3: Cross multiply
    28,255.77x = 42,391.68 × 23,040.11
  4. Step 4: Simplify right side
    28,255.77x = 976,708,989.86
  5. Step 5: Solve for x
    x = 976,708,989.86/28,255.77
  6. Step 6: Final answer
    x = 34,566.71

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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.