Home / 19,898.72-29,842.14-14,335.28

Finding the Fourth Proportional to 19,898.72, 29,842.14 and 14,335.28

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Solution

The fourth proportional to 19,898.72, 29,842.14 and 14,335.28 is: 21,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.72 : 29,842.14 = 14,335.28 : x
  2. Step 2: Convert to fraction form
    19,898.72/29,842.14 = 14,335.28/x
  3. Step 3: Cross multiply
    19,898.72x = 29,842.14 × 14,335.28
  4. Step 4: Simplify right side
    19,898.72x = 427,795,432.70
  5. Step 5: Solve for x
    x = 427,795,432.70/19,898.72
  6. Step 6: Final answer
    x = 21,498.64

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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.