Home / 28,508.20-42,732.06-10,970.44

Finding the Fourth Proportional to 28,508.20, 42,732.06 and 10,970.44

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Solution

The fourth proportional to 28,508.20, 42,732.06 and 10,970.44 is: 16,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.20 : 42,732.06 = 10,970.44 : x
  2. Step 2: Convert to fraction form
    28,508.20/42,732.06 = 10,970.44/x
  3. Step 3: Cross multiply
    28,508.20x = 42,732.06 × 10,970.44
  4. Step 4: Simplify right side
    28,508.20x = 468,789,500.31
  5. Step 5: Solve for x
    x = 468,789,500.31/28,508.20
  6. Step 6: Final answer
    x = 16,444.02

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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.