Home / 26,558.64-39,839.40-13,395.60

Finding the Fourth Proportional to 26,558.64, 39,839.40 and 13,395.60

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Solution

The fourth proportional to 26,558.64, 39,839.40 and 13,395.60 is: 20,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.64 : 39,839.40 = 13,395.60 : x
  2. Step 2: Convert to fraction form
    26,558.64/39,839.40 = 13,395.60/x
  3. Step 3: Cross multiply
    26,558.64x = 39,839.40 × 13,395.60
  4. Step 4: Simplify right side
    26,558.64x = 533,672,666.64
  5. Step 5: Solve for x
    x = 533,672,666.64/26,558.64
  6. Step 6: Final answer
    x = 20,094.13

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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.