Home / 38,609.28-57,916.32-13,310.24

Finding the Fourth Proportional to 38,609.28, 57,916.32 and 13,310.24

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Solution

The fourth proportional to 38,609.28, 57,916.32 and 13,310.24 is: 19,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.28 : 57,916.32 = 13,310.24 : x
  2. Step 2: Convert to fraction form
    38,609.28/57,916.32 = 13,310.24/x
  3. Step 3: Cross multiply
    38,609.28x = 57,916.32 × 13,310.24
  4. Step 4: Simplify right side
    38,609.28x = 770,880,119.12
  5. Step 5: Solve for x
    x = 770,880,119.12/38,609.28
  6. Step 6: Final answer
    x = 19,966.19

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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.