Home / 28,084.83-38,757.01-15,338.13

Finding the Fourth Proportional to 28,084.83, 38,757.01 and 15,338.13

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Solution

The fourth proportional to 28,084.83, 38,757.01 and 15,338.13 is: 21,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.83 : 38,757.01 = 15,338.13 : x
  2. Step 2: Convert to fraction form
    28,084.83/38,757.01 = 15,338.13/x
  3. Step 3: Cross multiply
    28,084.83x = 38,757.01 × 15,338.13
  4. Step 4: Simplify right side
    28,084.83x = 594,460,057.79
  5. Step 5: Solve for x
    x = 594,460,057.79/28,084.83
  6. Step 6: Final answer
    x = 21,166.59

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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.