Home / 28,932.12-43,398.54-9,210.60

Finding the Fourth Proportional to 28,932.12, 43,398.54 and 9,210.60

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Solution

The fourth proportional to 28,932.12, 43,398.54 and 9,210.60 is: 13,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.12 : 43,398.54 = 9,210.60 : x
  2. Step 2: Convert to fraction form
    28,932.12/43,398.54 = 9,210.60/x
  3. Step 3: Cross multiply
    28,932.12x = 43,398.54 × 9,210.60
  4. Step 4: Simplify right side
    28,932.12x = 399,726,592.52
  5. Step 5: Solve for x
    x = 399,726,592.52/28,932.12
  6. Step 6: Final answer
    x = 13,816.01

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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.