Home / 27,530.64-37,983.24-15,429.35

Finding the Fourth Proportional to 27,530.64, 37,983.24 and 15,429.35

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Solution

The fourth proportional to 27,530.64, 37,983.24 and 15,429.35 is: 21,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.64 : 37,983.24 = 15,429.35 : x
  2. Step 2: Convert to fraction form
    27,530.64/37,983.24 = 15,429.35/x
  3. Step 3: Cross multiply
    27,530.64x = 37,983.24 × 15,429.35
  4. Step 4: Simplify right side
    27,530.64x = 586,056,856.91
  5. Step 5: Solve for x
    x = 586,056,856.91/27,530.64
  6. Step 6: Final answer
    x = 21,287.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.