Home / 52,813.60-72,882.34-28,940.21

Finding the Fourth Proportional to 52,813.60, 72,882.34 and 28,940.21

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Solution

The fourth proportional to 52,813.60, 72,882.34 and 28,940.21 is: 39,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.60 : 72,882.34 = 28,940.21 : x
  2. Step 2: Convert to fraction form
    52,813.60/72,882.34 = 28,940.21/x
  3. Step 3: Cross multiply
    52,813.60x = 72,882.34 × 28,940.21
  4. Step 4: Simplify right side
    52,813.60x = 2,109,230,224.89
  5. Step 5: Solve for x
    x = 2,109,230,224.89/52,813.60
  6. Step 6: Final answer
    x = 39,937.26

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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.