Home / 26,489.61-39,725.64-10,690.56

Finding the Fourth Proportional to 26,489.61, 39,725.64 and 10,690.56

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Solution

The fourth proportional to 26,489.61, 39,725.64 and 10,690.56 is: 16,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.61 : 39,725.64 = 10,690.56 : x
  2. Step 2: Convert to fraction form
    26,489.61/39,725.64 = 10,690.56/x
  3. Step 3: Cross multiply
    26,489.61x = 39,725.64 × 10,690.56
  4. Step 4: Simplify right side
    26,489.61x = 424,689,337.96
  5. Step 5: Solve for x
    x = 424,689,337.96/26,489.61
  6. Step 6: Final answer
    x = 16,032.30

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1.5x scale

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.