Home / 28,566.23-42,856.58-8,575.61

Finding the Fourth Proportional to 28,566.23, 42,856.58 and 8,575.61

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Solution

The fourth proportional to 28,566.23, 42,856.58 and 8,575.61 is: 12,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.23 : 42,856.58 = 8,575.61 : x
  2. Step 2: Convert to fraction form
    28,566.23/42,856.58 = 8,575.61/x
  3. Step 3: Cross multiply
    28,566.23x = 42,856.58 × 8,575.61
  4. Step 4: Simplify right side
    28,566.23x = 367,521,123.17
  5. Step 5: Solve for x
    x = 367,521,123.17/28,566.23
  6. Step 6: Final answer
    x = 12,865.58

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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.