Home / 19,577.75-27,039.72-12,893.25

Finding the Fourth Proportional to 19,577.75, 27,039.72 and 12,893.25

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Solution

The fourth proportional to 19,577.75, 27,039.72 and 12,893.25 is: 17,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.75 : 27,039.72 = 12,893.25 : x
  2. Step 2: Convert to fraction form
    19,577.75/27,039.72 = 12,893.25/x
  3. Step 3: Cross multiply
    19,577.75x = 27,039.72 × 12,893.25
  4. Step 4: Simplify right side
    19,577.75x = 348,629,869.89
  5. Step 5: Solve for x
    x = 348,629,869.89/19,577.75
  6. Step 6: Final answer
    x = 17,807.45

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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.