Home / 21,965.95-32,948.91-8,818.31

Finding the Fourth Proportional to 21,965.95, 32,948.91 and 8,818.31

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Solution

The fourth proportional to 21,965.95, 32,948.91 and 8,818.31 is: 13,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.95 : 32,948.91 = 8,818.31 : x
  2. Step 2: Convert to fraction form
    21,965.95/32,948.91 = 8,818.31/x
  3. Step 3: Cross multiply
    21,965.95x = 32,948.91 × 8,818.31
  4. Step 4: Simplify right side
    21,965.95x = 290,553,784.91
  5. Step 5: Solve for x
    x = 290,553,784.91/21,965.95
  6. Step 6: Final answer
    x = 13,227.47

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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.