Home / 26,282.68-39,389.86-13,771.04

Finding the Fourth Proportional to 26,282.68, 39,389.86 and 13,771.04

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Solution

The fourth proportional to 26,282.68, 39,389.86 and 13,771.04 is: 20,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282.68 : 39,389.86 = 13,771.04 : x
  2. Step 2: Convert to fraction form
    26,282.68/39,389.86 = 13,771.04/x
  3. Step 3: Cross multiply
    26,282.68x = 39,389.86 × 13,771.04
  4. Step 4: Simplify right side
    26,282.68x = 542,439,337.65
  5. Step 5: Solve for x
    x = 542,439,337.65/26,282.68
  6. Step 6: Final answer
    x = 20,638.66

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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.