Home / 52,579.09-72,560.24-28,706.77

Finding the Fourth Proportional to 52,579.09, 72,560.24 and 28,706.77

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Solution

The fourth proportional to 52,579.09, 72,560.24 and 28,706.77 is: 39,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.09 : 72,560.24 = 28,706.77 : x
  2. Step 2: Convert to fraction form
    52,579.09/72,560.24 = 28,706.77/x
  3. Step 3: Cross multiply
    52,579.09x = 72,560.24 × 28,706.77
  4. Step 4: Simplify right side
    52,579.09x = 2,082,970,120.82
  5. Step 5: Solve for x
    x = 2,082,970,120.82/52,579.09
  6. Step 6: Final answer
    x = 39,615.94

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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.