Home / 52,582.57-72,564.05-28,709.64

Finding the Fourth Proportional to 52,582.57, 72,564.05 and 28,709.64

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Solution

The fourth proportional to 52,582.57, 72,564.05 and 28,709.64 is: 39,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,582.57 : 72,564.05 = 28,709.64 : x
  2. Step 2: Convert to fraction form
    52,582.57/72,564.05 = 28,709.64/x
  3. Step 3: Cross multiply
    52,582.57x = 72,564.05 × 28,709.64
  4. Step 4: Simplify right side
    52,582.57x = 2,083,287,824.22
  5. Step 5: Solve for x
    x = 2,083,287,824.22/52,582.57
  6. Step 6: Final answer
    x = 39,619.36

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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.