Home / 26,153.57-39,238.56-8,635.70

Finding the Fourth Proportional to 26,153.57, 39,238.56 and 8,635.70

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Solution

The fourth proportional to 26,153.57, 39,238.56 and 8,635.70 is: 12,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,153.57 : 39,238.56 = 8,635.70 : x
  2. Step 2: Convert to fraction form
    26,153.57/39,238.56 = 8,635.70/x
  3. Step 3: Cross multiply
    26,153.57x = 39,238.56 × 8,635.70
  4. Step 4: Simplify right side
    26,153.57x = 338,852,432.59
  5. Step 5: Solve for x
    x = 338,852,432.59/26,153.57
  6. Step 6: Final answer
    x = 12,956.26

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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.