Home / 28,434.28-39,226.83-17,097.22

Finding the Fourth Proportional to 28,434.28, 39,226.83 and 17,097.22

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Solution

The fourth proportional to 28,434.28, 39,226.83 and 17,097.22 is: 23,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.28 : 39,226.83 = 17,097.22 : x
  2. Step 2: Convert to fraction form
    28,434.28/39,226.83 = 17,097.22/x
  3. Step 3: Cross multiply
    28,434.28x = 39,226.83 × 17,097.22
  4. Step 4: Simplify right side
    28,434.28x = 670,669,742.41
  5. Step 5: Solve for x
    x = 670,669,742.41/28,434.28
  6. Step 6: Final answer
    x = 23,586.66

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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.