Home / 28,767.62-43,089.12-13,945.54

Finding the Fourth Proportional to 28,767.62, 43,089.12 and 13,945.54

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Solution

The fourth proportional to 28,767.62, 43,089.12 and 13,945.54 is: 20,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.62 : 43,089.12 = 13,945.54 : x
  2. Step 2: Convert to fraction form
    28,767.62/43,089.12 = 13,945.54/x
  3. Step 3: Cross multiply
    28,767.62x = 43,089.12 × 13,945.54
  4. Step 4: Simplify right side
    28,767.62x = 600,900,831.08
  5. Step 5: Solve for x
    x = 600,900,831.08/28,767.62
  6. Step 6: Final answer
    x = 20,888.10

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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.