Home / 26,426.66-39,562.22-17,639.78

Finding the Fourth Proportional to 26,426.66, 39,562.22 and 17,639.78

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Solution

The fourth proportional to 26,426.66, 39,562.22 and 17,639.78 is: 26,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.66 : 39,562.22 = 17,639.78 : x
  2. Step 2: Convert to fraction form
    26,426.66/39,562.22 = 17,639.78/x
  3. Step 3: Cross multiply
    26,426.66x = 39,562.22 × 17,639.78
  4. Step 4: Simplify right side
    26,426.66x = 697,868,703.40
  5. Step 5: Solve for x
    x = 697,868,703.40/26,426.66
  6. Step 6: Final answer
    x = 26,407.76

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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.