Home / 52,511.16-72,466-28,637.60

Finding the Fourth Proportional to 52,511.16, 72,466 and 28,637.60

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Solution

The fourth proportional to 52,511.16, 72,466 and 28,637.60 is: 39,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.16 : 72,466 = 28,637.60 : x
  2. Step 2: Convert to fraction form
    52,511.16/72,466 = 28,637.60/x
  3. Step 3: Cross multiply
    52,511.16x = 72,466 × 28,637.60
  4. Step 4: Simplify right side
    52,511.16x = 2,075,252,321.60
  5. Step 5: Solve for x
    x = 2,075,252,321.60/52,511.16
  6. Step 6: Final answer
    x = 39,520.21

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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.