Home / 28,357.61-42,533.16-7,582.73

Finding the Fourth Proportional to 28,357.61, 42,533.16 and 7,582.73

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Solution

The fourth proportional to 28,357.61, 42,533.16 and 7,582.73 is: 11,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.61 : 42,533.16 = 7,582.73 : x
  2. Step 2: Convert to fraction form
    28,357.61/42,533.16 = 7,582.73/x
  3. Step 3: Cross multiply
    28,357.61x = 42,533.16 × 7,582.73
  4. Step 4: Simplify right side
    28,357.61x = 322,517,337.26
  5. Step 5: Solve for x
    x = 322,517,337.26/28,357.61
  6. Step 6: Final answer
    x = 11,373.22

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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.