Home / 52,739.96-72,781.23-28,868.15

Finding the Fourth Proportional to 52,739.96, 72,781.23 and 28,868.15

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Solution

The fourth proportional to 52,739.96, 72,781.23 and 28,868.15 is: 39,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.96 : 72,781.23 = 28,868.15 : x
  2. Step 2: Convert to fraction form
    52,739.96/72,781.23 = 28,868.15/x
  3. Step 3: Cross multiply
    52,739.96x = 72,781.23 × 28,868.15
  4. Step 4: Simplify right side
    52,739.96x = 2,101,059,345.64
  5. Step 5: Solve for x
    x = 2,101,059,345.64/52,739.96
  6. Step 6: Final answer
    x = 39,838.09

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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.