Home / 26,301.88-39,453.18-8,771.72

Finding the Fourth Proportional to 26,301.88, 39,453.18 and 8,771.72

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Solution

The fourth proportional to 26,301.88, 39,453.18 and 8,771.72 is: 13,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,301.88 : 39,453.18 = 8,771.72 : x
  2. Step 2: Convert to fraction form
    26,301.88/39,453.18 = 8,771.72/x
  3. Step 3: Cross multiply
    26,301.88x = 39,453.18 × 8,771.72
  4. Step 4: Simplify right side
    26,301.88x = 346,072,248.07
  5. Step 5: Solve for x
    x = 346,072,248.07/26,301.88
  6. Step 6: Final answer
    x = 13,157.70

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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.