Home / 28,554.57-42,831.86-8,832.69

Finding the Fourth Proportional to 28,554.57, 42,831.86 and 8,832.69

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Solution

The fourth proportional to 28,554.57, 42,831.86 and 8,832.69 is: 13,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.57 : 42,831.86 = 8,832.69 : x
  2. Step 2: Convert to fraction form
    28,554.57/42,831.86 = 8,832.69/x
  3. Step 3: Cross multiply
    28,554.57x = 42,831.86 × 8,832.69
  4. Step 4: Simplify right side
    28,554.57x = 378,320,497.34
  5. Step 5: Solve for x
    x = 378,320,497.34/28,554.57
  6. Step 6: Final answer
    x = 13,249.04

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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.