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Finding the Fourth Proportional to 15,593.60, 23,325.60 and 13,260.80

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Solution

The fourth proportional to 15,593.60, 23,325.60 and 13,260.80 is: 19,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.60 : 23,325.60 = 13,260.80 : x
  2. Step 2: Convert to fraction form
    15,593.60/23,325.60 = 13,260.80/x
  3. Step 3: Cross multiply
    15,593.60x = 23,325.60 × 13,260.80
  4. Step 4: Simplify right side
    15,593.60x = 309,316,116.48
  5. Step 5: Solve for x
    x = 309,316,116.48/15,593.60
  6. Step 6: Final answer
    x = 19,836.09

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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.