Home / 28,573.22-42,867.10-8,582.60

Finding the Fourth Proportional to 28,573.22, 42,867.10 and 8,582.60

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Solution

The fourth proportional to 28,573.22, 42,867.10 and 8,582.60 is: 12,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.22 : 42,867.10 = 8,582.60 : x
  2. Step 2: Convert to fraction form
    28,573.22/42,867.10 = 8,582.60/x
  3. Step 3: Cross multiply
    28,573.22x = 42,867.10 × 8,582.60
  4. Step 4: Simplify right side
    28,573.22x = 367,911,172.46
  5. Step 5: Solve for x
    x = 367,911,172.46/28,573.22
  6. Step 6: Final answer
    x = 12,876.08

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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.