Home / 19,278.72-28,898.64-14,652

Finding the Fourth Proportional to 19,278.72, 28,898.64 and 14,652

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Solution

The fourth proportional to 19,278.72, 28,898.64 and 14,652 is: 21,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.72 : 28,898.64 = 14,652 : x
  2. Step 2: Convert to fraction form
    19,278.72/28,898.64 = 14,652/x
  3. Step 3: Cross multiply
    19,278.72x = 28,898.64 × 14,652
  4. Step 4: Simplify right side
    19,278.72x = 423,422,873.28
  5. Step 5: Solve for x
    x = 423,422,873.28/19,278.72
  6. Step 6: Final answer
    x = 21,963.23

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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.