Home / 28,415.52-42,635.56-15,252.50

Finding the Fourth Proportional to 28,415.52, 42,635.56 and 15,252.50

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Solution

The fourth proportional to 28,415.52, 42,635.56 and 15,252.50 is: 22,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.52 : 42,635.56 = 15,252.50 : x
  2. Step 2: Convert to fraction form
    28,415.52/42,635.56 = 15,252.50/x
  3. Step 3: Cross multiply
    28,415.52x = 42,635.56 × 15,252.50
  4. Step 4: Simplify right side
    28,415.52x = 650,298,878.90
  5. Step 5: Solve for x
    x = 650,298,878.90/28,415.52
  6. Step 6: Final answer
    x = 22,885.34

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1.5x scale

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.