Home / 52,740.72-72,782.15-28,867.19

Finding the Fourth Proportional to 52,740.72, 72,782.15 and 28,867.19

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Solution

The fourth proportional to 52,740.72, 72,782.15 and 28,867.19 is: 39,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.72 : 72,782.15 = 28,867.19 : x
  2. Step 2: Convert to fraction form
    52,740.72/72,782.15 = 28,867.19/x
  3. Step 3: Cross multiply
    52,740.72x = 72,782.15 × 28,867.19
  4. Step 4: Simplify right side
    52,740.72x = 2,101,015,644.41
  5. Step 5: Solve for x
    x = 2,101,015,644.41/52,740.72
  6. Step 6: Final answer
    x = 39,836.69

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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.