Home / 26,254.09-39,372.54-8,719.21

Finding the Fourth Proportional to 26,254.09, 39,372.54 and 8,719.21

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Solution

The fourth proportional to 26,254.09, 39,372.54 and 8,719.21 is: 13,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,254.09 : 39,372.54 = 8,719.21 : x
  2. Step 2: Convert to fraction form
    26,254.09/39,372.54 = 8,719.21/x
  3. Step 3: Cross multiply
    26,254.09x = 39,372.54 × 8,719.21
  4. Step 4: Simplify right side
    26,254.09x = 343,297,444.49
  5. Step 5: Solve for x
    x = 343,297,444.49/26,254.09
  6. Step 6: Final answer
    x = 13,075.96

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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.