Home / 26,256.16-39,371.10-8,719.84

Finding the Fourth Proportional to 26,256.16, 39,371.10 and 8,719.84

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Solution

The fourth proportional to 26,256.16, 39,371.10 and 8,719.84 is: 13,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.16 : 39,371.10 = 8,719.84 : x
  2. Step 2: Convert to fraction form
    26,256.16/39,371.10 = 8,719.84/x
  3. Step 3: Cross multiply
    26,256.16x = 39,371.10 × 8,719.84
  4. Step 4: Simplify right side
    26,256.16x = 343,309,692.62
  5. Step 5: Solve for x
    x = 343,309,692.62/26,256.16
  6. Step 6: Final answer
    x = 13,075.40

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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.