Home / 26,918.01-37,145.25-14,978.88

Finding the Fourth Proportional to 26,918.01, 37,145.25 and 14,978.88

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Solution

The fourth proportional to 26,918.01, 37,145.25 and 14,978.88 is: 20,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.01 : 37,145.25 = 14,978.88 : x
  2. Step 2: Convert to fraction form
    26,918.01/37,145.25 = 14,978.88/x
  3. Step 3: Cross multiply
    26,918.01x = 37,145.25 × 14,978.88
  4. Step 4: Simplify right side
    26,918.01x = 556,394,242.32
  5. Step 5: Solve for x
    x = 556,394,242.32/26,918.01
  6. Step 6: Final answer
    x = 20,669.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.