Home / 52,786.77-72,845.64-28,913.91

Finding the Fourth Proportional to 52,786.77, 72,845.64 and 28,913.91

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Solution

The fourth proportional to 52,786.77, 72,845.64 and 28,913.91 is: 39,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.77 : 72,845.64 = 28,913.91 : x
  2. Step 2: Convert to fraction form
    52,786.77/72,845.64 = 28,913.91/x
  3. Step 3: Cross multiply
    52,786.77x = 72,845.64 × 28,913.91
  4. Step 4: Simplify right side
    52,786.77x = 2,106,252,278.85
  5. Step 5: Solve for x
    x = 2,106,252,278.85/52,786.77
  6. Step 6: Final answer
    x = 39,901.14

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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.