Home / 28,352.22-42,525.28-8,630.94

Finding the Fourth Proportional to 28,352.22, 42,525.28 and 8,630.94

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Solution

The fourth proportional to 28,352.22, 42,525.28 and 8,630.94 is: 12,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.22 : 42,525.28 = 8,630.94 : x
  2. Step 2: Convert to fraction form
    28,352.22/42,525.28 = 8,630.94/x
  3. Step 3: Cross multiply
    28,352.22x = 42,525.28 × 8,630.94
  4. Step 4: Simplify right side
    28,352.22x = 367,033,140.16
  5. Step 5: Solve for x
    x = 367,033,140.16/28,352.22
  6. Step 6: Final answer
    x = 12,945.48

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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.