Home / 35,895.20-53,757.12-28,450.40

Finding the Fourth Proportional to 35,895.20, 53,757.12 and 28,450.40

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Solution

The fourth proportional to 35,895.20, 53,757.12 and 28,450.40 is: 42,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,895.20 : 53,757.12 = 28,450.40 : x
  2. Step 2: Convert to fraction form
    35,895.20/53,757.12 = 28,450.40/x
  3. Step 3: Cross multiply
    35,895.20x = 53,757.12 × 28,450.40
  4. Step 4: Simplify right side
    35,895.20x = 1,529,411,566.85
  5. Step 5: Solve for x
    x = 1,529,411,566.85/35,895.20
  6. Step 6: Final answer
    x = 42,607.69

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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.