Home / 26,438.18-39,623.04-20,175.08

Finding the Fourth Proportional to 26,438.18, 39,623.04 and 20,175.08

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Solution

The fourth proportional to 26,438.18, 39,623.04 and 20,175.08 is: 30,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.18 : 39,623.04 = 20,175.08 : x
  2. Step 2: Convert to fraction form
    26,438.18/39,623.04 = 20,175.08/x
  3. Step 3: Cross multiply
    26,438.18x = 39,623.04 × 20,175.08
  4. Step 4: Simplify right side
    26,438.18x = 799,398,001.84
  5. Step 5: Solve for x
    x = 799,398,001.84/26,438.18
  6. Step 6: Final answer
    x = 30,236.50

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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.