Home / 28,079.30-42,104.85-9,352.76

Finding the Fourth Proportional to 28,079.30, 42,104.85 and 9,352.76

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Solution

The fourth proportional to 28,079.30, 42,104.85 and 9,352.76 is: 14,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.30 : 42,104.85 = 9,352.76 : x
  2. Step 2: Convert to fraction form
    28,079.30/42,104.85 = 9,352.76/x
  3. Step 3: Cross multiply
    28,079.30x = 42,104.85 × 9,352.76
  4. Step 4: Simplify right side
    28,079.30x = 393,796,346.36
  5. Step 5: Solve for x
    x = 393,796,346.36/28,079.30
  6. Step 6: Final answer
    x = 14,024.44

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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.