Home / 21,277.84-31,916.76-9,599.44

Finding the Fourth Proportional to 21,277.84, 31,916.76 and 9,599.44

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Solution

The fourth proportional to 21,277.84, 31,916.76 and 9,599.44 is: 14,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.84 : 31,916.76 = 9,599.44 : x
  2. Step 2: Convert to fraction form
    21,277.84/31,916.76 = 9,599.44/x
  3. Step 3: Cross multiply
    21,277.84x = 31,916.76 × 9,599.44
  4. Step 4: Simplify right side
    21,277.84x = 306,383,022.61
  5. Step 5: Solve for x
    x = 306,383,022.61/21,277.84
  6. Step 6: Final answer
    x = 14,399.16

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1.5x scale

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.