Home / 25,864.78-38,814.16-14,186.20

Finding the Fourth Proportional to 25,864.78, 38,814.16 and 14,186.20

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Solution

The fourth proportional to 25,864.78, 38,814.16 and 14,186.20 is: 21,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.78 : 38,814.16 = 14,186.20 : x
  2. Step 2: Convert to fraction form
    25,864.78/38,814.16 = 14,186.20/x
  3. Step 3: Cross multiply
    25,864.78x = 38,814.16 × 14,186.20
  4. Step 4: Simplify right side
    25,864.78x = 550,625,436.59
  5. Step 5: Solve for x
    x = 550,625,436.59/25,864.78
  6. Step 6: Final answer
    x = 21,288.62

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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.