Home / 26,588.64-39,884.64-13,425.60

Finding the Fourth Proportional to 26,588.64, 39,884.64 and 13,425.60

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Solution

The fourth proportional to 26,588.64, 39,884.64 and 13,425.60 is: 20,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,588.64 : 39,884.64 = 13,425.60 : x
  2. Step 2: Convert to fraction form
    26,588.64/39,884.64 = 13,425.60/x
  3. Step 3: Cross multiply
    26,588.64x = 39,884.64 × 13,425.60
  4. Step 4: Simplify right side
    26,588.64x = 535,475,222.78
  5. Step 5: Solve for x
    x = 535,475,222.78/26,588.64
  6. Step 6: Final answer
    x = 20,139.25

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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.