Home / 26,344.10-39,531.71-9,715.75

Finding the Fourth Proportional to 26,344.10, 39,531.71 and 9,715.75

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Solution

The fourth proportional to 26,344.10, 39,531.71 and 9,715.75 is: 14,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,344.10 : 39,531.71 = 9,715.75 : x
  2. Step 2: Convert to fraction form
    26,344.10/39,531.71 = 9,715.75/x
  3. Step 3: Cross multiply
    26,344.10x = 39,531.71 × 9,715.75
  4. Step 4: Simplify right side
    26,344.10x = 384,080,136.89
  5. Step 5: Solve for x
    x = 384,080,136.89/26,344.10
  6. Step 6: Final answer
    x = 14,579.36

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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.