Home / 26,231.40-39,303.36-18,426.24

Finding the Fourth Proportional to 26,231.40, 39,303.36 and 18,426.24

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Solution

The fourth proportional to 26,231.40, 39,303.36 and 18,426.24 is: 27,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.40 : 39,303.36 = 18,426.24 : x
  2. Step 2: Convert to fraction form
    26,231.40/39,303.36 = 18,426.24/x
  3. Step 3: Cross multiply
    26,231.40x = 39,303.36 × 18,426.24
  4. Step 4: Simplify right side
    26,231.40x = 724,213,144.17
  5. Step 5: Solve for x
    x = 724,213,144.17/26,231.40
  6. Step 6: Final answer
    x = 27,608.63

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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.