Home / 28,378.37-42,593.81-14,348.36

Finding the Fourth Proportional to 28,378.37, 42,593.81 and 14,348.36

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Solution

The fourth proportional to 28,378.37, 42,593.81 and 14,348.36 is: 21,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378.37 : 42,593.81 = 14,348.36 : x
  2. Step 2: Convert to fraction form
    28,378.37/42,593.81 = 14,348.36/x
  3. Step 3: Cross multiply
    28,378.37x = 42,593.81 × 14,348.36
  4. Step 4: Simplify right side
    28,378.37x = 611,151,034.94
  5. Step 5: Solve for x
    x = 611,151,034.94/28,378.37
  6. Step 6: Final answer
    x = 21,535.81

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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.