Home / 52,137-71,948.66-28,263.06

Finding the Fourth Proportional to 52,137, 71,948.66 and 28,263.06

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Solution

The fourth proportional to 52,137, 71,948.66 and 28,263.06 is: 39,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137 : 71,948.66 = 28,263.06 : x
  2. Step 2: Convert to fraction form
    52,137/71,948.66 = 28,263.06/x
  3. Step 3: Cross multiply
    52,137x = 71,948.66 × 28,263.06
  4. Step 4: Simplify right side
    52,137x = 2,033,489,153.18
  5. Step 5: Solve for x
    x = 2,033,489,153.18/52,137
  6. Step 6: Final answer
    x = 39,002.80

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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.