Home / 26,446.42-39,669.76-8,916.40

Finding the Fourth Proportional to 26,446.42, 39,669.76 and 8,916.40

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Solution

The fourth proportional to 26,446.42, 39,669.76 and 8,916.40 is: 13,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,446.42 : 39,669.76 = 8,916.40 : x
  2. Step 2: Convert to fraction form
    26,446.42/39,669.76 = 8,916.40/x
  3. Step 3: Cross multiply
    26,446.42x = 39,669.76 × 8,916.40
  4. Step 4: Simplify right side
    26,446.42x = 353,711,227.42
  5. Step 5: Solve for x
    x = 353,711,227.42/26,446.42
  6. Step 6: Final answer
    x = 13,374.64

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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.