Home / 28,278.51-39,006.41-17,371.87

Finding the Fourth Proportional to 28,278.51, 39,006.41 and 17,371.87

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Solution

The fourth proportional to 28,278.51, 39,006.41 and 17,371.87 is: 23,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.51 : 39,006.41 = 17,371.87 : x
  2. Step 2: Convert to fraction form
    28,278.51/39,006.41 = 17,371.87/x
  3. Step 3: Cross multiply
    28,278.51x = 39,006.41 × 17,371.87
  4. Step 4: Simplify right side
    28,278.51x = 677,614,245.59
  5. Step 5: Solve for x
    x = 677,614,245.59/28,278.51
  6. Step 6: Final answer
    x = 23,962.16

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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.