Home / 28,904.08-43,380.78-11,386.24

Finding the Fourth Proportional to 28,904.08, 43,380.78 and 11,386.24

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Solution

The fourth proportional to 28,904.08, 43,380.78 and 11,386.24 is: 17,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.08 : 43,380.78 = 11,386.24 : x
  2. Step 2: Convert to fraction form
    28,904.08/43,380.78 = 11,386.24/x
  3. Step 3: Cross multiply
    28,904.08x = 43,380.78 × 11,386.24
  4. Step 4: Simplify right side
    28,904.08x = 493,943,972.47
  5. Step 5: Solve for x
    x = 493,943,972.47/28,904.08
  6. Step 6: Final answer
    x = 17,089.07

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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.