Home / 52,790.96-72,852.64-28,918.64

Finding the Fourth Proportional to 52,790.96, 72,852.64 and 28,918.64

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Solution

The fourth proportional to 52,790.96, 72,852.64 and 28,918.64 is: 39,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.96 : 72,852.64 = 28,918.64 : x
  2. Step 2: Convert to fraction form
    52,790.96/72,852.64 = 28,918.64/x
  3. Step 3: Cross multiply
    52,790.96x = 72,852.64 × 28,918.64
  4. Step 4: Simplify right side
    52,790.96x = 2,106,799,269.21
  5. Step 5: Solve for x
    x = 2,106,799,269.21/52,790.96
  6. Step 6: Final answer
    x = 39,908.33

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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.