Home / 28,148.82-38,827.06-18,061.28

Finding the Fourth Proportional to 28,148.82, 38,827.06 and 18,061.28

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Solution

The fourth proportional to 28,148.82, 38,827.06 and 18,061.28 is: 24,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.82 : 38,827.06 = 18,061.28 : x
  2. Step 2: Convert to fraction form
    28,148.82/38,827.06 = 18,061.28/x
  3. Step 3: Cross multiply
    28,148.82x = 38,827.06 × 18,061.28
  4. Step 4: Simplify right side
    28,148.82x = 701,266,454.15
  5. Step 5: Solve for x
    x = 701,266,454.15/28,148.82
  6. Step 6: Final answer
    x = 24,912.82

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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.