Home / 28,410.57-39,207.11-15,833.97

Finding the Fourth Proportional to 28,410.57, 39,207.11 and 15,833.97

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Solution

The fourth proportional to 28,410.57, 39,207.11 and 15,833.97 is: 21,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.57 : 39,207.11 = 15,833.97 : x
  2. Step 2: Convert to fraction form
    28,410.57/39,207.11 = 15,833.97/x
  3. Step 3: Cross multiply
    28,410.57x = 39,207.11 × 15,833.97
  4. Step 4: Simplify right side
    28,410.57x = 620,804,124.36
  5. Step 5: Solve for x
    x = 620,804,124.36/28,410.57
  6. Step 6: Final answer
    x = 21,851.17

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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.