Home / 21,959.43-32,935.40-7,916.66

Finding the Fourth Proportional to 21,959.43, 32,935.40 and 7,916.66

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Solution

The fourth proportional to 21,959.43, 32,935.40 and 7,916.66 is: 11,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.43 : 32,935.40 = 7,916.66 : x
  2. Step 2: Convert to fraction form
    21,959.43/32,935.40 = 7,916.66/x
  3. Step 3: Cross multiply
    21,959.43x = 32,935.40 × 7,916.66
  4. Step 4: Simplify right side
    21,959.43x = 260,738,363.76
  5. Step 5: Solve for x
    x = 260,738,363.76/21,959.43
  6. Step 6: Final answer
    x = 11,873.64

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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.