Home / 52,513.62-72,467.92-28,638.87

Finding the Fourth Proportional to 52,513.62, 72,467.92 and 28,638.87

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Solution

The fourth proportional to 52,513.62, 72,467.92 and 28,638.87 is: 39,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.62 : 72,467.92 = 28,638.87 : x
  2. Step 2: Convert to fraction form
    52,513.62/72,467.92 = 28,638.87/x
  3. Step 3: Cross multiply
    52,513.62x = 72,467.92 × 28,638.87
  4. Step 4: Simplify right side
    52,513.62x = 2,075,398,943.00
  5. Step 5: Solve for x
    x = 2,075,398,943.00/52,513.62
  6. Step 6: Final answer
    x = 39,521.16

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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.