Home / 26,990.04-40,475.28-11,408.88

Finding the Fourth Proportional to 26,990.04, 40,475.28 and 11,408.88

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Solution

The fourth proportional to 26,990.04, 40,475.28 and 11,408.88 is: 17,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.04 : 40,475.28 = 11,408.88 : x
  2. Step 2: Convert to fraction form
    26,990.04/40,475.28 = 11,408.88/x
  3. Step 3: Cross multiply
    26,990.04x = 40,475.28 × 11,408.88
  4. Step 4: Simplify right side
    26,990.04x = 461,777,612.49
  5. Step 5: Solve for x
    x = 461,777,612.49/26,990.04
  6. Step 6: Final answer
    x = 17,109.19

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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.