Home / 28,656.87-42,956.14-26,535.48

Finding the Fourth Proportional to 28,656.87, 42,956.14 and 26,535.48

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Solution

The fourth proportional to 28,656.87, 42,956.14 and 26,535.48 is: 39,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.87 : 42,956.14 = 26,535.48 : x
  2. Step 2: Convert to fraction form
    28,656.87/42,956.14 = 26,535.48/x
  3. Step 3: Cross multiply
    28,656.87x = 42,956.14 × 26,535.48
  4. Step 4: Simplify right side
    28,656.87x = 1,139,861,793.85
  5. Step 5: Solve for x
    x = 1,139,861,793.85/28,656.87
  6. Step 6: Final answer
    x = 39,776.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.