Home / 52,727.70-72,764-28,528.58

Finding the Fourth Proportional to 52,727.70, 72,764 and 28,528.58

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Solution

The fourth proportional to 52,727.70, 72,764 and 28,528.58 is: 39,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,727.70 : 72,764 = 28,528.58 : x
  2. Step 2: Convert to fraction form
    52,727.70/72,764 = 28,528.58/x
  3. Step 3: Cross multiply
    52,727.70x = 72,764 × 28,528.58
  4. Step 4: Simplify right side
    52,727.70x = 2,075,853,595.12
  5. Step 5: Solve for x
    x = 2,075,853,595.12/52,727.70
  6. Step 6: Final answer
    x = 39,369.32

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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.