Home / 52,654.24-72,662.68-28,780.92

Finding the Fourth Proportional to 52,654.24, 72,662.68 and 28,780.92

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Solution

The fourth proportional to 52,654.24, 72,662.68 and 28,780.92 is: 39,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.24 : 72,662.68 = 28,780.92 : x
  2. Step 2: Convert to fraction form
    52,654.24/72,662.68 = 28,780.92/x
  3. Step 3: Cross multiply
    52,654.24x = 72,662.68 × 28,780.92
  4. Step 4: Simplify right side
    52,654.24x = 2,091,298,780.07
  5. Step 5: Solve for x
    x = 2,091,298,780.07/52,654.24
  6. Step 6: Final answer
    x = 39,717.58

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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.