Home / 28,767.00-39,703.19-18,015.94

Finding the Fourth Proportional to 28,767.00, 39,703.19 and 18,015.94

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Solution

The fourth proportional to 28,767.00, 39,703.19 and 18,015.94 is: 24,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.00 : 39,703.19 = 18,015.94 : x
  2. Step 2: Convert to fraction form
    28,767.00/39,703.19 = 18,015.94/x
  3. Step 3: Cross multiply
    28,767.00x = 39,703.19 × 18,015.94
  4. Step 4: Simplify right side
    28,767.00x = 715,290,410.73
  5. Step 5: Solve for x
    x = 715,290,410.73/28,767.00
  6. Step 6: Final answer
    x = 24,864.97

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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.