Home / 28,524.36-42,768.32-13,703.79

Finding the Fourth Proportional to 28,524.36, 42,768.32 and 13,703.79

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Solution

The fourth proportional to 28,524.36, 42,768.32 and 13,703.79 is: 20,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.36 : 42,768.32 = 13,703.79 : x
  2. Step 2: Convert to fraction form
    28,524.36/42,768.32 = 13,703.79/x
  3. Step 3: Cross multiply
    28,524.36x = 42,768.32 × 13,703.79
  4. Step 4: Simplify right side
    28,524.36x = 586,088,007.41
  5. Step 5: Solve for x
    x = 586,088,007.41/28,524.36
  6. Step 6: Final answer
    x = 20,546.93

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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.