Home / 52,779.75-72,836.85-28,908.65

Finding the Fourth Proportional to 52,779.75, 72,836.85 and 28,908.65

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Solution

The fourth proportional to 52,779.75, 72,836.85 and 28,908.65 is: 39,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.75 : 72,836.85 = 28,908.65 : x
  2. Step 2: Convert to fraction form
    52,779.75/72,836.85 = 28,908.65/x
  3. Step 3: Cross multiply
    52,779.75x = 72,836.85 × 28,908.65
  4. Step 4: Simplify right side
    52,779.75x = 2,105,614,859.21
  5. Step 5: Solve for x
    x = 2,105,614,859.21/52,779.75
  6. Step 6: Final answer
    x = 39,894.37

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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.