Home / 52,790.16-72,852.30-28,917.84

Finding the Fourth Proportional to 52,790.16, 72,852.30 and 28,917.84

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Solution

The fourth proportional to 52,790.16, 72,852.30 and 28,917.84 is: 39,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.16 : 72,852.30 = 28,917.84 : x
  2. Step 2: Convert to fraction form
    52,790.16/72,852.30 = 28,917.84/x
  3. Step 3: Cross multiply
    52,790.16x = 72,852.30 × 28,917.84
  4. Step 4: Simplify right side
    52,790.16x = 2,106,731,155.03
  5. Step 5: Solve for x
    x = 2,106,731,155.03/52,790.16
  6. Step 6: Final answer
    x = 39,907.65

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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.