Home / 28,299.32-42,409.12-22,350.00

Finding the Fourth Proportional to 28,299.32, 42,409.12 and 22,350.00

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Solution

The fourth proportional to 28,299.32, 42,409.12 and 22,350.00 is: 33,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.32 : 42,409.12 = 22,350.00 : x
  2. Step 2: Convert to fraction form
    28,299.32/42,409.12 = 22,350.00/x
  3. Step 3: Cross multiply
    28,299.32x = 42,409.12 × 22,350.00
  4. Step 4: Simplify right side
    28,299.32x = 947,843,857.79
  5. Step 5: Solve for x
    x = 947,843,857.79/28,299.32
  6. Step 6: Final answer
    x = 33,493.52

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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.