Home / 28,921.43-39,898.97-16,964.00

Finding the Fourth Proportional to 28,921.43, 39,898.97 and 16,964.00

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Solution

The fourth proportional to 28,921.43, 39,898.97 and 16,964.00 is: 23,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921.43 : 39,898.97 = 16,964.00 : x
  2. Step 2: Convert to fraction form
    28,921.43/39,898.97 = 16,964.00/x
  3. Step 3: Cross multiply
    28,921.43x = 39,898.97 × 16,964.00
  4. Step 4: Simplify right side
    28,921.43x = 676,845,842.77
  5. Step 5: Solve for x
    x = 676,845,842.77/28,921.43
  6. Step 6: Final answer
    x = 23,402.92

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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.