Home / 28,883.60-43,325.40-13,331.60

Finding the Fourth Proportional to 28,883.60, 43,325.40 and 13,331.60

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Solution

The fourth proportional to 28,883.60, 43,325.40 and 13,331.60 is: 19,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.60 : 43,325.40 = 13,331.60 : x
  2. Step 2: Convert to fraction form
    28,883.60/43,325.40 = 13,331.60/x
  3. Step 3: Cross multiply
    28,883.60x = 43,325.40 × 13,331.60
  4. Step 4: Simplify right side
    28,883.60x = 577,596,902.64
  5. Step 5: Solve for x
    x = 577,596,902.64/28,883.60
  6. Step 6: Final answer
    x = 19,997.40

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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.