Home / 28,008.24-38,652.30-15,433.26

Finding the Fourth Proportional to 28,008.24, 38,652.30 and 15,433.26

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Solution

The fourth proportional to 28,008.24, 38,652.30 and 15,433.26 is: 21,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.24 : 38,652.30 = 15,433.26 : x
  2. Step 2: Convert to fraction form
    28,008.24/38,652.30 = 15,433.26/x
  3. Step 3: Cross multiply
    28,008.24x = 38,652.30 × 15,433.26
  4. Step 4: Simplify right side
    28,008.24x = 596,530,995.50
  5. Step 5: Solve for x
    x = 596,530,995.50/28,008.24
  6. Step 6: Final answer
    x = 21,298.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.