Home / 25,855.09-38,782.82-14,161.93

Finding the Fourth Proportional to 25,855.09, 38,782.82 and 14,161.93

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Solution

The fourth proportional to 25,855.09, 38,782.82 and 14,161.93 is: 21,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.09 : 38,782.82 = 14,161.93 : x
  2. Step 2: Convert to fraction form
    25,855.09/38,782.82 = 14,161.93/x
  3. Step 3: Cross multiply
    25,855.09x = 38,782.82 × 14,161.93
  4. Step 4: Simplify right side
    25,855.09x = 549,239,520.49
  5. Step 5: Solve for x
    x = 549,239,520.49/25,855.09
  6. Step 6: Final answer
    x = 21,243.00

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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.