Home / 26,389.42-39,585.75-11,605.30

Finding the Fourth Proportional to 26,389.42, 39,585.75 and 11,605.30

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Solution

The fourth proportional to 26,389.42, 39,585.75 and 11,605.30 is: 17,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.42 : 39,585.75 = 11,605.30 : x
  2. Step 2: Convert to fraction form
    26,389.42/39,585.75 = 11,605.30/x
  3. Step 3: Cross multiply
    26,389.42x = 39,585.75 × 11,605.30
  4. Step 4: Simplify right side
    26,389.42x = 459,404,504.48
  5. Step 5: Solve for x
    x = 459,404,504.48/26,389.42
  6. Step 6: Final answer
    x = 17,408.66

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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.