Home / 28,266.60-42,399.90-14,269.80

Finding the Fourth Proportional to 28,266.60, 42,399.90 and 14,269.80

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Solution

The fourth proportional to 28,266.60, 42,399.90 and 14,269.80 is: 21,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.60 : 42,399.90 = 14,269.80 : x
  2. Step 2: Convert to fraction form
    28,266.60/42,399.90 = 14,269.80/x
  3. Step 3: Cross multiply
    28,266.60x = 42,399.90 × 14,269.80
  4. Step 4: Simplify right side
    28,266.60x = 605,038,093.02
  5. Step 5: Solve for x
    x = 605,038,093.02/28,266.60
  6. Step 6: Final answer
    x = 21,404.70

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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.