Home / 28,396.20-42,602.52-11,753.16

Finding the Fourth Proportional to 28,396.20, 42,602.52 and 11,753.16

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Solution

The fourth proportional to 28,396.20, 42,602.52 and 11,753.16 is: 17,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.20 : 42,602.52 = 11,753.16 : x
  2. Step 2: Convert to fraction form
    28,396.20/42,602.52 = 11,753.16/x
  3. Step 3: Cross multiply
    28,396.20x = 42,602.52 × 11,753.16
  4. Step 4: Simplify right side
    28,396.20x = 500,714,233.96
  5. Step 5: Solve for x
    x = 500,714,233.96/28,396.20
  6. Step 6: Final answer
    x = 17,633.14

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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.