Home / 28,434.74-42,639.15-14,593.46

Finding the Fourth Proportional to 28,434.74, 42,639.15 and 14,593.46

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Solution

The fourth proportional to 28,434.74, 42,639.15 and 14,593.46 is: 21,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.74 : 42,639.15 = 14,593.46 : x
  2. Step 2: Convert to fraction form
    28,434.74/42,639.15 = 14,593.46/x
  3. Step 3: Cross multiply
    28,434.74x = 42,639.15 × 14,593.46
  4. Step 4: Simplify right side
    28,434.74x = 622,252,729.96
  5. Step 5: Solve for x
    x = 622,252,729.96/28,434.74
  6. Step 6: Final answer
    x = 21,883.54

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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.