Home / 29,408.13-40,583.09-15,979.14

Finding the Fourth Proportional to 29,408.13, 40,583.09 and 15,979.14

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Solution

The fourth proportional to 29,408.13, 40,583.09 and 15,979.14 is: 22,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.13 : 40,583.09 = 15,979.14 : x
  2. Step 2: Convert to fraction form
    29,408.13/40,583.09 = 15,979.14/x
  3. Step 3: Cross multiply
    29,408.13x = 40,583.09 × 15,979.14
  4. Step 4: Simplify right side
    29,408.13x = 648,482,916.69
  5. Step 5: Solve for x
    x = 648,482,916.69/29,408.13
  6. Step 6: Final answer
    x = 22,051.14

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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.