Home / 28,285.99-42,179.12-28,032.66

Finding the Fourth Proportional to 28,285.99, 42,179.12 and 28,032.66

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Solution

The fourth proportional to 28,285.99, 42,179.12 and 28,032.66 is: 41,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.99 : 42,179.12 = 28,032.66 : x
  2. Step 2: Convert to fraction form
    28,285.99/42,179.12 = 28,032.66/x
  3. Step 3: Cross multiply
    28,285.99x = 42,179.12 × 28,032.66
  4. Step 4: Simplify right side
    28,285.99x = 1,182,392,895.02
  5. Step 5: Solve for x
    x = 1,182,392,895.02/28,285.99
  6. Step 6: Final answer
    x = 41,801.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.