Home / 28,266.72-42,400.28-8,544.98

Finding the Fourth Proportional to 28,266.72, 42,400.28 and 8,544.98

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Solution

The fourth proportional to 28,266.72, 42,400.28 and 8,544.98 is: 12,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.72 : 42,400.28 = 8,544.98 : x
  2. Step 2: Convert to fraction form
    28,266.72/42,400.28 = 8,544.98/x
  3. Step 3: Cross multiply
    28,266.72x = 42,400.28 × 8,544.98
  4. Step 4: Simplify right side
    28,266.72x = 362,309,544.59
  5. Step 5: Solve for x
    x = 362,309,544.59/28,266.72
  6. Step 6: Final answer
    x = 12,817.53

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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.