Home / 28,342.09-42,524.07-10,807.82

Finding the Fourth Proportional to 28,342.09, 42,524.07 and 10,807.82

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Solution

The fourth proportional to 28,342.09, 42,524.07 and 10,807.82 is: 16,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.09 : 42,524.07 = 10,807.82 : x
  2. Step 2: Convert to fraction form
    28,342.09/42,524.07 = 10,807.82/x
  3. Step 3: Cross multiply
    28,342.09x = 42,524.07 × 10,807.82
  4. Step 4: Simplify right side
    28,342.09x = 459,592,494.23
  5. Step 5: Solve for x
    x = 459,592,494.23/28,342.09
  6. Step 6: Final answer
    x = 16,215.90

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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.