Home / 25,883.96-38,814.39-18,036.90

Finding the Fourth Proportional to 25,883.96, 38,814.39 and 18,036.90

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Solution

The fourth proportional to 25,883.96, 38,814.39 and 18,036.90 is: 27,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.96 : 38,814.39 = 18,036.90 : x
  2. Step 2: Convert to fraction form
    25,883.96/38,814.39 = 18,036.90/x
  3. Step 3: Cross multiply
    25,883.96x = 38,814.39 × 18,036.90
  4. Step 4: Simplify right side
    25,883.96x = 700,091,270.99
  5. Step 5: Solve for x
    x = 700,091,270.99/25,883.96
  6. Step 6: Final answer
    x = 27,047.31

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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.