Home / 26,039.91-39,061.70-12,888.75

Finding the Fourth Proportional to 26,039.91, 39,061.70 and 12,888.75

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Solution

The fourth proportional to 26,039.91, 39,061.70 and 12,888.75 is: 19,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,039.91 : 39,061.70 = 12,888.75 : x
  2. Step 2: Convert to fraction form
    26,039.91/39,061.70 = 12,888.75/x
  3. Step 3: Cross multiply
    26,039.91x = 39,061.70 × 12,888.75
  4. Step 4: Simplify right side
    26,039.91x = 503,456,421.43
  5. Step 5: Solve for x
    x = 503,456,421.43/26,039.91
  6. Step 6: Final answer
    x = 19,334.03

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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.