Home / 26,559.36-39,836.88-9,918.72

Finding the Fourth Proportional to 26,559.36, 39,836.88 and 9,918.72

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Solution

The fourth proportional to 26,559.36, 39,836.88 and 9,918.72 is: 14,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.36 : 39,836.88 = 9,918.72 : x
  2. Step 2: Convert to fraction form
    26,559.36/39,836.88 = 9,918.72/x
  3. Step 3: Cross multiply
    26,559.36x = 39,836.88 × 9,918.72
  4. Step 4: Simplify right side
    26,559.36x = 395,130,858.39
  5. Step 5: Solve for x
    x = 395,130,858.39/26,559.36
  6. Step 6: Final answer
    x = 14,877.27

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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.