Home / 28,233.33-38,961.41-15,658.08

Finding the Fourth Proportional to 28,233.33, 38,961.41 and 15,658.08

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Solution

The fourth proportional to 28,233.33, 38,961.41 and 15,658.08 is: 21,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.33 : 38,961.41 = 15,658.08 : x
  2. Step 2: Convert to fraction form
    28,233.33/38,961.41 = 15,658.08/x
  3. Step 3: Cross multiply
    28,233.33x = 38,961.41 × 15,658.08
  4. Step 4: Simplify right side
    28,233.33x = 610,060,679.89
  5. Step 5: Solve for x
    x = 610,060,679.89/28,233.33
  6. Step 6: Final answer
    x = 21,607.82

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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.