Home / 26,654.72-39,973.74-9,120.46

Finding the Fourth Proportional to 26,654.72, 39,973.74 and 9,120.46

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Solution

The fourth proportional to 26,654.72, 39,973.74 and 9,120.46 is: 13,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,654.72 : 39,973.74 = 9,120.46 : x
  2. Step 2: Convert to fraction form
    26,654.72/39,973.74 = 9,120.46/x
  3. Step 3: Cross multiply
    26,654.72x = 39,973.74 × 9,120.46
  4. Step 4: Simplify right side
    26,654.72x = 364,578,896.72
  5. Step 5: Solve for x
    x = 364,578,896.72/26,654.72
  6. Step 6: Final answer
    x = 13,677.84

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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.