Home / 28,331.55-39,096.33-15,583.92

Finding the Fourth Proportional to 28,331.55, 39,096.33 and 15,583.92

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Solution

The fourth proportional to 28,331.55, 39,096.33 and 15,583.92 is: 21,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.55 : 39,096.33 = 15,583.92 : x
  2. Step 2: Convert to fraction form
    28,331.55/39,096.33 = 15,583.92/x
  3. Step 3: Cross multiply
    28,331.55x = 39,096.33 × 15,583.92
  4. Step 4: Simplify right side
    28,331.55x = 609,274,225.62
  5. Step 5: Solve for x
    x = 609,274,225.62/28,331.55
  6. Step 6: Final answer
    x = 21,505.15

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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.