Home / 26,311.08-39,443.16-9,667.20

Finding the Fourth Proportional to 26,311.08, 39,443.16 and 9,667.20

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Solution

The fourth proportional to 26,311.08, 39,443.16 and 9,667.20 is: 14,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.08 : 39,443.16 = 9,667.20 : x
  2. Step 2: Convert to fraction form
    26,311.08/39,443.16 = 9,667.20/x
  3. Step 3: Cross multiply
    26,311.08x = 39,443.16 × 9,667.20
  4. Step 4: Simplify right side
    26,311.08x = 381,304,916.35
  5. Step 5: Solve for x
    x = 381,304,916.35/26,311.08
  6. Step 6: Final answer
    x = 14,492.18

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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.