Home / 55,276.17-82,855.13-28,595.30

Finding the Fourth Proportional to 55,276.17, 82,855.13 and 28,595.30

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Solution

The fourth proportional to 55,276.17, 82,855.13 and 28,595.30 is: 42,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.17 : 82,855.13 = 28,595.30 : x
  2. Step 2: Convert to fraction form
    55,276.17/82,855.13 = 28,595.30/x
  3. Step 3: Cross multiply
    55,276.17x = 82,855.13 × 28,595.30
  4. Step 4: Simplify right side
    55,276.17x = 2,369,267,577.52
  5. Step 5: Solve for x
    x = 2,369,267,577.52/55,276.17
  6. Step 6: Final answer
    x = 42,862.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.