Home / 26,170.24-39,256.64-8,639.68

Finding the Fourth Proportional to 26,170.24, 39,256.64 and 8,639.68

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Solution

The fourth proportional to 26,170.24, 39,256.64 and 8,639.68 is: 12,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.24 : 39,256.64 = 8,639.68 : x
  2. Step 2: Convert to fraction form
    26,170.24/39,256.64 = 8,639.68/x
  3. Step 3: Cross multiply
    26,170.24x = 39,256.64 × 8,639.68
  4. Step 4: Simplify right side
    26,170.24x = 339,164,807.48
  5. Step 5: Solve for x
    x = 339,164,807.48/26,170.24
  6. Step 6: Final answer
    x = 12,959.94

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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.