Home / 28,167.70-38,871.46-17,557.35

Finding the Fourth Proportional to 28,167.70, 38,871.46 and 17,557.35

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Solution

The fourth proportional to 28,167.70, 38,871.46 and 17,557.35 is: 24,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.70 : 38,871.46 = 17,557.35 : x
  2. Step 2: Convert to fraction form
    28,167.70/38,871.46 = 17,557.35/x
  3. Step 3: Cross multiply
    28,167.70x = 38,871.46 × 17,557.35
  4. Step 4: Simplify right side
    28,167.70x = 682,479,828.23
  5. Step 5: Solve for x
    x = 682,479,828.23/28,167.70
  6. Step 6: Final answer
    x = 24,229.16

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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.