Home / 28,426.56-39,228.26-16,491.94

Finding the Fourth Proportional to 28,426.56, 39,228.26 and 16,491.94

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Solution

The fourth proportional to 28,426.56, 39,228.26 and 16,491.94 is: 22,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.56 : 39,228.26 = 16,491.94 : x
  2. Step 2: Convert to fraction form
    28,426.56/39,228.26 = 16,491.94/x
  3. Step 3: Cross multiply
    28,426.56x = 39,228.26 × 16,491.94
  4. Step 4: Simplify right side
    28,426.56x = 646,950,110.22
  5. Step 5: Solve for x
    x = 646,950,110.22/28,426.56
  6. Step 6: Final answer
    x = 22,758.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.