Home / 52,784.68-72,840.26-28,911.46

Finding the Fourth Proportional to 52,784.68, 72,840.26 and 28,911.46

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Solution

The fourth proportional to 52,784.68, 72,840.26 and 28,911.46 is: 39,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,784.68 : 72,840.26 = 28,911.46 : x
  2. Step 2: Convert to fraction form
    52,784.68/72,840.26 = 28,911.46/x
  3. Step 3: Cross multiply
    52,784.68x = 72,840.26 × 28,911.46
  4. Step 4: Simplify right side
    52,784.68x = 2,105,918,263.38
  5. Step 5: Solve for x
    x = 2,105,918,263.38/52,784.68
  6. Step 6: Final answer
    x = 39,896.39

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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.