Home / 28,271.32-42,408.18-9,551.80

Finding the Fourth Proportional to 28,271.32, 42,408.18 and 9,551.80

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Solution

The fourth proportional to 28,271.32, 42,408.18 and 9,551.80 is: 14,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.32 : 42,408.18 = 9,551.80 : x
  2. Step 2: Convert to fraction form
    28,271.32/42,408.18 = 9,551.80/x
  3. Step 3: Cross multiply
    28,271.32x = 42,408.18 × 9,551.80
  4. Step 4: Simplify right side
    28,271.32x = 405,074,453.72
  5. Step 5: Solve for x
    x = 405,074,453.72/28,271.32
  6. Step 6: Final answer
    x = 14,328.11

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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.