Home / 28,566.16-42,865.64-22,308.61

Finding the Fourth Proportional to 28,566.16, 42,865.64 and 22,308.61

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Solution

The fourth proportional to 28,566.16, 42,865.64 and 22,308.61 is: 33,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.16 : 42,865.64 = 22,308.61 : x
  2. Step 2: Convert to fraction form
    28,566.16/42,865.64 = 22,308.61/x
  3. Step 3: Cross multiply
    28,566.16x = 42,865.64 × 22,308.61
  4. Step 4: Simplify right side
    28,566.16x = 956,272,626.45
  5. Step 5: Solve for x
    x = 956,272,626.45/28,566.16
  6. Step 6: Final answer
    x = 33,475.72

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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.