Home / 28,376.40-42,549.82-10,592.43

Finding the Fourth Proportional to 28,376.40, 42,549.82 and 10,592.43

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Solution

The fourth proportional to 28,376.40, 42,549.82 and 10,592.43 is: 15,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.40 : 42,549.82 = 10,592.43 : x
  2. Step 2: Convert to fraction form
    28,376.40/42,549.82 = 10,592.43/x
  3. Step 3: Cross multiply
    28,376.40x = 42,549.82 × 10,592.43
  4. Step 4: Simplify right side
    28,376.40x = 450,706,096.46
  5. Step 5: Solve for x
    x = 450,706,096.46/28,376.40
  6. Step 6: Final answer
    x = 15,883.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.