Home / 26,241.04-39,328.68-18,732.79

Finding the Fourth Proportional to 26,241.04, 39,328.68 and 18,732.79

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Solution

The fourth proportional to 26,241.04, 39,328.68 and 18,732.79 is: 28,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,241.04 : 39,328.68 = 18,732.79 : x
  2. Step 2: Convert to fraction form
    26,241.04/39,328.68 = 18,732.79/x
  3. Step 3: Cross multiply
    26,241.04x = 39,328.68 × 18,732.79
  4. Step 4: Simplify right side
    26,241.04x = 736,736,001.72
  5. Step 5: Solve for x
    x = 736,736,001.72/26,241.04
  6. Step 6: Final answer
    x = 28,075.72

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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.